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Function family overviews

One-page summaries of the cfbd_* and espn_cfb_* function families.

cfbd_api_key api_key
CFBD API Key Endpoint Overview
cfbd_betting betting lines spreads
CFBD Betting Endpoint Overview
cfbd_coaches()
CFBD Coaches Endpoint Overview
cfbd_conferences()
CFBD Conferences Endpoint Overview
cfbd_drives()
CFBD Drives Endpoint Overview
cfbd_passing
CFBD Passing Endpoint Overview
cfbd_pbp play_by_play
CFBD Play-by-Play Endpoint Overview
cfbd_pbp_v2 pbp_v2 modular_epa modular_wpa
CFBD Play-by-Play (v2 Modular EPA/WPA Pipeline) Overview
cfbd_punting
CFBD Punting Endpoint Overview
cfbd_rushing
CFBD Rushing Endpoint Overview
cfbd_venues()
CFBD Venues Endpoint Overview
espn_cfb_catalog catalog awards franchises positions clear_cache
ESPN College Football Catalog Endpoint Overview
espn_cfb_game game plays leaders
ESPN College Football Game Endpoint Overview
espn_cfb_player()
ESPN College Football Player Endpoint Overview
espn_cfb_season season seasons standings rankings
ESPN College Football Season Endpoint Overview
espn_cfb_team()
ESPN College Football Team Endpoint Overview

cfbfastR Data

Full Season Loaders

Functions exported by cfbfastR which load full seasons of cfbfastR data

load_cfb_fpi_weekly()
Load college football weekly ESPN FPI ratings from the SportsDataverse data repo
load_cfb_group_aliases()
Load college football conference and division aliases from the SportsDataverse data repo
load_cfb_group_seasons()
Load college football conference and division names by season from the SportsDataverse data repo
load_cfb_groups()
Load college football conference and division lineages from the SportsDataverse data repo
load_cfb_pbp()
Load cleaned play-by-play from the data repo
load_cfb_player_aliases()
Load college football provider player id aliases from the SportsDataverse data repo
load_cfb_ratings()
Load college football season power ratings from the SportsDataverse data repo
load_cfb_ratings_weekly()
Load college football weekly power ratings from the SportsDataverse data repo
load_cfb_recruiting_proj()
Load college football recruiting projections from the SportsDataverse data repo
load_cfb_recruits()
Load college football recruiting rankings from the SportsDataverse data repo
load_cfb_returning_production()
Load college football returning production from the SportsDataverse data repo
load_cfb_rosters()
Load College Football Rosters
load_cfb_rosters_crosswalk()
Load college football roster id crosswalk from the SportsDataverse data repo
load_cfb_schedule_crosswalk()
Load college football schedule id crosswalk from the SportsDataverse data repo
load_cfb_schedules()
Load CFB Game/Schedule Data from data repo
load_cfb_team_aliases()
Load college football provider team id and name aliases from the SportsDataverse data repo
load_cfb_team_group_seasons()
Load college football team conference membership by season from the SportsDataverse data repo
load_cfb_team_summaries_weekly()
Load college football weekly team summaries from the SportsDataverse data repo
load_cfb_team_talent()
Load college football team talent composite from the SportsDataverse data repo
load_cfb_teams()
Load CFB team info from the data repo
load_cfb_teams_crosswalk()
Load college football team id crosswalk from the SportsDataverse data repo
load_espn_cfb_adv_defensive()
Load college football advanced defensive from the SportsDataverse data repo
load_espn_cfb_adv_defensive_players()
Load college football advanced defensive players from the SportsDataverse data repo
load_espn_cfb_adv_drives()
Load college football advanced drives from the SportsDataverse data repo
load_espn_cfb_adv_passing()
Load college football advanced passing from the SportsDataverse data repo
load_espn_cfb_adv_receiving()
Load college football advanced receiving from the SportsDataverse data repo
load_espn_cfb_adv_rushing()
Load college football advanced rushing from the SportsDataverse data repo
load_espn_cfb_adv_situational()
Load college football advanced situational from the SportsDataverse data repo
load_espn_cfb_adv_specialists()
Load college football advanced specialists from the SportsDataverse data repo
load_espn_cfb_adv_team()
Load college football advanced team from the SportsDataverse data repo
load_espn_cfb_adv_team_gamelog()
Load college football advanced team gamelog from the SportsDataverse data repo
load_espn_cfb_adv_turnover()
Load college football advanced turnover from the SportsDataverse data repo
load_espn_cfb_betting()
Load ESPN college football betting lines from the SportsDataverse data repo
load_espn_cfb_drives()
Load ESPN college football drives from the SportsDataverse data repo
load_espn_cfb_game_rosters()
Load ESPN college football game rosters from the SportsDataverse data repo
load_espn_cfb_linescores()
Load ESPN college football linescores from the SportsDataverse data repo
load_espn_cfb_model_pbp()
Load college football model-enriched play-by-play from the SportsDataverse data repo
load_espn_cfb_passing()
Load college football passing EPA splits from the SportsDataverse data repo
load_espn_cfb_pbp()
Load ESPN college football play-by-play from the SportsDataverse data repo
load_espn_cfb_percentiles()
Load college football team percentile profiles from the SportsDataverse data repo
load_espn_cfb_play_participants()
Load ESPN college football play participants from the SportsDataverse data repo
load_espn_cfb_player_box()
Load ESPN college football player box scores from the SportsDataverse data repo
load_espn_cfb_power_index()
Load ESPN college football FPI power index from the SportsDataverse data repo
load_espn_cfb_receiving()
Load college football receiving EPA splits from the SportsDataverse data repo
load_espn_cfb_rushing()
Load college football rushing EPA splits from the SportsDataverse data repo
load_espn_cfb_schedules()
Load ESPN college football schedules from the SportsDataverse data repo
load_espn_cfb_team_box()
Load ESPN college football team box scores from the SportsDataverse data repo
load_espn_cfb_team_summaries()
Load college football team season summaries from the SportsDataverse data repo
load_ncaa_mfb_drives()
Load NCAA men's football drives (stats.ncaa.org) from the SportsDataverse data repo
load_ncaa_mfb_linescore()
Load NCAA men's football linescores (stats.ncaa.org) from the SportsDataverse data repo
load_ncaa_mfb_officials()
Load NCAA men's football officials (stats.ncaa.org) from the SportsDataverse data repo
load_ncaa_mfb_pbp()
Load NCAA men's football play-by-play (stats.ncaa.org) from the SportsDataverse data repo
load_ncaa_mfb_pbp_cfbfastr()
Load NCAA men's football play-by-play, cfbfastR-shaped from the SportsDataverse data repo
load_ncaa_mfb_player_stats()
Load NCAA men's football player stats (stats.ncaa.org) from the SportsDataverse data repo
load_ncaa_mfb_rosters()
Load NCAA men's football rosters (stats.ncaa.org) from the SportsDataverse data repo
load_ncaa_mfb_schedule()
Load NCAA men's football schedules (stats.ncaa.org) from the SportsDataverse data repo
load_ncaa_mfb_team_stats()
Load NCAA men's football team stats (stats.ncaa.org) from the SportsDataverse data repo
load_ncaa_mfb_teams()
Load NCAA men's football teams (stats.ncaa.org) from the SportsDataverse data repo

Update or Create Database

Functions exported by cfbfastR which update and create a database of cfbfastR play-by-play data

update_cfb_db()
Update or create a cfbfastR play-by-play database

Play-by-Play Data

Functions exported by cfbfastR which return Expected Points and Win Probability model outputs.

cfbd_pbp_data()
Get college football play by play data with cfbfastR expected points/win probability added
cfbd_pbp_data_v2()
Get college football play-by-play data – modular EPA/WPA pipeline (v2)

College Football Data API

API Key Helpers

Functions for registering and inspecting your CollegeFootballData.com API key.

cfbd_key() has_cfbd_key() cfbd_api_key_info()
CFBD API Key Registration

Games Data

Functions exported by cfbfastR sourced from games endpoint of the CollegeFootballData API

cfbd_games
CFBD Games Endpoint Overview
cfbd_game_box_advanced()
Get game advanced box score information.
cfbd_game_info()
Get results information from games.
cfbd_game_media()
Get game media information (TV, radio, etc).
cfbd_game_player_stats()
Get player statistics by game
cfbd_game_preview()
Get a pregame preview for a game
cfbd_game_preview_adjusted()
Get an adjusted-metrics pregame preview for a game
cfbd_game_records()
Get team records by year
cfbd_game_schedule()
Get the active or next game schedule slate
cfbd_game_team_stats()
Get team statistics by game
cfbd_game_weather()
Get weather from games.
cfbd_calendar()
Get calendar of weeks by season.
cfbd_live_scoreboard()
Get live game scoreboard information from games.

Drives Data

Functions exported by cfbfastR sourced from drives endpoint of the CollegeFootballData API

cfbd_drives()
CFBD Drives Endpoint Overview

Plays Data

Functions exported by cfbfastR sourced from plays endpoint of the CollegeFootballData API

cfbd_play
CFBD Plays Endpoint Overview
cfbd_plays()
Get college football play-by-play data.
cfbd_live_plays()
Get live college football play-by-play data.
cfbd_play_stats_player()
Gets player info associated by play
cfbd_play_stats_types()
Get college football mapping for play stats types
cfbd_play_types()
Get college football mapping for play types

Teams Data

Functions exported by cfbfastR sourced from the teams endpoint of the CollegeFootballData API

cfbd_teams
CFBD Teams Endpoint Overview
cfbd_team_info()
Team info lookup
cfbd_team_matchup()
Get matchup history between two teams.
cfbd_team_matchup_records()
Get matchup history records between two teams.
cfbd_team_roster()
Get team rosters
cfbd_team_season_overview()
Get a full-season team overview
cfbd_team_talent()
Get composite team talent rankings for all teams in a given year
cfbd_teams_fbs()
Get FBS teams

Players Data

Functions exported by cfbfastR sourced from the players endpoint of the CollegeFootballData API

cfbd_players cfbd_player
CFBD Players Endpoint Overview
cfbd_player_info()
Player information lookup
cfbd_player_returning()
Get player returning production
cfbd_player_season_overview()
Get a player season overview
cfbd_player_usage()
Get player usage metrics

Stats Data

Functions exported by cfbfastR sourced from the stats endpoint of the CollegeFootballData API

cfbd_stats
CFBD Stats Endpoint Overview
cfbd_stats_categories()
Get stats categories
cfbd_stats_game_advanced()
Get game advanced stats
cfbd_stats_game_havoc()
Get game havoc statistics
cfbd_stats_player_success()
Get player success rates by season
cfbd_stats_player_success_game()
Get player success rates by game
cfbd_stats_season_advanced()
Get season advanced statistics by team
cfbd_stats_season_player()
Get season statistics by player
cfbd_stats_season_team()
Get season statistics by team

Model Calculators

Score a data frame with the shipped CFB models - pass a play-by-play frame or a hand-built row and get model output back

Passing Data

Functions exported by cfbfastR sourced from the passing endpoints of the CollegeFootballData API (2025 onward)

cfbd_passing
CFBD Passing Endpoint Overview
cfbd_passing_players_games()
Get player game passing production, split by pass location
cfbd_passing_players_season()
Get player season passing production, split by pass location
cfbd_passing_plays()
Get individual passing plays with air yards, YAC and location detail
cfbd_passing_teams_games()
Get team game passing production for and against, split by pass location
cfbd_passing_teams_season()
Get team season passing production for and against, split by pass location

Rushing Data

Functions exported by cfbfastR sourced from the rushing endpoints of the CollegeFootballData API (2025 onward)

cfbd_rushing
CFBD Rushing Endpoint Overview
cfbd_rushing_players_games()
Get player game rushing production, split by run direction
cfbd_rushing_players_season()
Get player season rushing production, split by run direction
cfbd_rushing_plays()
Get individual rushing plays with direction and attribution detail
cfbd_rushing_teams_games()
Get team game rushing production for and against, split by run direction
cfbd_rushing_teams_season()
Get team season rushing production for and against, split by run direction

Punting Data

Functions exported by cfbfastR sourced from the punting endpoints of the CollegeFootballData API (2015 onward)

cfbd_punting
CFBD Punting Endpoint Overview
cfbd_punting_players_games()
Get player game punting and punt return production
cfbd_punting_players_season()
Get player season punting and punt return production
cfbd_punting_plays()
Get individual punt plays with yardage, field position and outcome
cfbd_punting_teams_games()
Get team game punting production, kicking and receiving
cfbd_punting_teams_season()
Get team season punting production, kicking and receiving

Rankings and Ratings Data

Functions exported by cfbfastR sourced from the rankings and ratings endpoints of the CollegeFootballData API

cfbd_ratings
CFBD Ratings and Rankings Endpoints Overview
cfbd_ratings_core()
Get core team ratings
cfbd_ratings_elo()
Get Elo historical rating data
cfbd_ratings_fpi()
Get Football Power Index (FPI) historical rating data
cfbd_ratings_sp()
Get SP historical rating data
cfbd_ratings_sp_conference()
Get conference level SP historical rating data
cfbd_ratings_srs()
Get SRS historical rating data
cfbd_ratings_srs_expanded()
Get expanded SRS ratings
cfbd_rankings()
Get historical Coaches and AP poll data

NFL Draft Data

Functions exported by cfbfastR sourced from the draft endpoints of the CollegeFootballData API

cfbd_draft draft nfl nfl_draft nfl_teams
CFBD NFL Draft Endpoint Overview
cfbd_draft_picks()
Get list of NFL draft picks
cfbd_draft_positions()
Get list of NFL positions
cfbd_draft_teams()
Get list of NFL teams

Betting Data

Functions exported by cfbfastR sourced from lines and betting endpoints of the CollegeFootballData API

cfbd_betting betting lines spreads
CFBD Betting Endpoint Overview
cfbd_betting_ats()
CFBD Against-the-Spread (ATS) Records
cfbd_betting_lines()
CFBD Betting Lines Endpoint Overview

Metrics Data

Functions exported by cfbfastR sourced from the Predicted Points Added (PPA) endpoints of the CollegeFootballData API

cfbd_metrics
CFBD Metrics Endpoint Overview
cfbd_metrics_fg_ep()
Get FG expected points from CFBD API
cfbd_metrics_ppa_games()
Get team game averages for predicted points added (PPA)
cfbd_metrics_ppa_players_games()
Get player game averages for predicted points added (PPA)
cfbd_metrics_ppa_players_season()
Get player season averages for predicted points added (PPA)
cfbd_metrics_ppa_predicted()
Calculate predicted points using down and distance
cfbd_metrics_ppa_teams()
Get team averages for predicted points added (PPA)
cfbd_metrics_wepa_players_kicking()
Get Points Added Above Replacement (PAAR) ratings for kickers
cfbd_metrics_wepa_players_passing()
Get opponent-adjusted player passing statistics for predicted points added (PPA)
cfbd_metrics_wepa_players_rushing()
Get opponent-adjusted player rushing statistics for predicted points added (PPA)
cfbd_metrics_wepa_team_season()
Get opponent-adjusted team season statistics for predicted points added (PPA)
cfbd_metrics_wp()
Get win probability chart data from API
cfbd_metrics_wp_pregame()
Get pre-game win probability data from API

Recruiting Data

Functions exported by cfbfastR sourced from the recruiting endpoints of the CollegeFootballData API

cfbd_recruiting recruiting
CFB Recruiting Endpoint Overview
cfbd_recruiting_player()
Get player recruiting rankings
cfbd_recruiting_position()
Get college football position group recruiting information.
cfbd_recruiting_team()
Get college football recruiting team rankings information.
cfbd_recruiting_transfer_portal()
Get Transfer Portal Data

Schools Data

Functions exported by cfbfastR sourced from venues, conferences, and coaches endpoints of the CollegeFootballData API

cfbd_venues()
CFBD Venues Endpoint Overview
cfbd_conference_affiliations()
Get conference affiliations by team and season
cfbd_conference_changes()
Get conference realignment changes
cfbd_conferences()
CFBD Conferences Endpoint Overview
cfbd_coaches()
CFBD Coaches Endpoint Overview
cfbd_coaches_profile()
Get a coach profile
cfbd_coaches_seasons()
Get coaching seasons
cfbd_coaches_tenures()
Get coaching tenures

Playoffs

College Football Playoff bracket, games, and participants

cfbd_playoffs playoffs cfp
CFBD Playoffs Endpoint Overview
cfbd_playoffs_cfp()
Get College Football Playoff bracket information
cfbd_playoffs_cfp_games()
Get College Football Playoff games
cfbd_playoffs_cfp_participants()
Get College Football Playoff participants

API Info

CFBD API key usage and remaining quota

cfbd_info info usage
CFBD Info Endpoint Overview
cfbd_info_usage()
Get API key usage information

Fox Sports Data

Fox CFB – Read-only Bifrost wrappers

Fox Sports college-football endpoints (play-by-play, boxscore, odds, roster, team stats, game log, standings, and statistical leaders)

fox_cfb_boxscore()
Get Fox Sports college football boxscore
fox_cfb_league_leaders()
Get Fox Sports college football statistical leaders
fox_cfb_odds()
Get Fox Sports college football game odds
fox_cfb_pbp()
Get Fox Sports college football play-by-play
fox_cfb_standings()
Get Fox Sports college football conference standings
fox_cfb_team_gamelog()
Get Fox Sports college football team game log
fox_cfb_team_roster()
Get Fox Sports college football team roster
fox_cfb_team_stats()
Get Fox Sports college football team stat leaders

ESPN Data

ESPN CFB – Game data

Per-game ESPN endpoints (play-by-play, drives, plays, leaders, predictor, situation, odds)

espn_cfb_pbp()
Get ESPN college football PBP data
espn_cfb_pbp_v2()
Get ESPN College Football Play-by-Play (core-v2)
espn_cfb_unnest_plays()
Unnest ESPN CFB drive plays into a flat play-by-play table
espn_cfb_game game plays leaders
ESPN College Football Game Endpoint Overview
espn_cfb_game_broadcasts()
ESPN College Football Game Broadcasts
espn_cfb_game_drive_plays()
ESPN College Football Game Drive Plays
espn_cfb_game_drives()
ESPN College Football Game Drives
espn_cfb_game_leaders()
ESPN College Football Game Leaders
espn_cfb_game_odds()
ESPN College Football Game Odds
espn_cfb_game_pbp()
ESPN College Football Game Plays (Core-v2 Play-by-Play)
espn_cfb_game_play()
ESPN College Football Game Play (Single Play Detail)
espn_cfb_game_player_box()
ESPN College Football Game Player Box Score
espn_cfb_game_player_statistics()
ESPN College Football Game Player Statistics (Single Athlete)
espn_cfb_game_powerindex()
ESPN College Football Game Power Index (Matchup FPI)
espn_cfb_game_predictor()
ESPN College Football Game Predictor (BPI Matchup Predictor)
espn_cfb_game_probabilities()
ESPN College Football Game Win Probabilities
espn_cfb_game_situation()
ESPN College Football Game Situation
espn_cfb_game_status()
ESPN College Football Game Status
espn_cfb_game_team_leaders()
ESPN College Football Game Team Leaders
espn_cfb_game_team_linescores()
ESPN College Football Game Team Linescores
espn_cfb_game_team_records()
ESPN College Football Game Team Records
espn_cfb_game_team_roster()
ESPN College Football Game Team Roster
espn_cfb_game_team_statistics()
ESPN College Football Game Team Statistics
espn_cfb_game_teams()
ESPN College Football Game Teams

ESPN CFB – Schedule, scoreboard & calendar

Calendar, schedule, and scoreboard endpoints

ESPN CFB – Season metadata

Season, week, rankings, standings, and group endpoints

espn_cfb_seasons()
ESPN College Football Seasons Index
espn_cfb_season_info()
ESPN College Football Season Detail
espn_cfb_season_types()
ESPN College Football Season Types
espn_cfb_season_weeks()
ESPN College Football Season Weeks
espn_cfb_week_rankings()
ESPN College Football Weekly Rankings
espn_cfb_rankings()
ESPN College Football Ranking Sources
espn_cfb_standings()
ESPN College Football Standings (Long Format)
espn_cfb_groups()
ESPN College Football Groups & Conferences

ESPN CFB – Team detail

Team-scoped catalog and detail endpoints

espn_cfb_team()
ESPN College Football Team Endpoint Overview
espn_cfb_teams()
ESPN College Football Teams Index
espn_cfb_team_ats()
ESPN College Football Team Against-the-Spread Records
espn_cfb_team_awards()
ESPN College Football Team Awards
espn_cfb_team_coaches()
ESPN College Football Team Coaches
espn_cfb_team_events()
ESPN College Football Team Season Event Log
espn_cfb_team_leaders()
ESPN College Football Team Statistical Leaders
espn_cfb_team_powerindex()
ESPN College Football Single-Team Power Index (Long Format)
espn_cfb_team_ranks()
ESPN College Football Team Poll Rank History
espn_cfb_team_record()
ESPN College Football Team Record (Long Format)
espn_cfb_team_roster()
ESPN College Football Team Roster (Season-Scoped)
espn_cfb_team_schedule()
ESPN College Football Team Schedule
espn_cfb_team_stats()
Get ESPN college football team stats data

ESPN CFB – Athlete coverage

Player, position and recruit endpoints

espn_cfb_player()
ESPN College Football Player Endpoint Overview
espn_cfb_players()
ESPN College Football Players Index
espn_cfb_player_career_stats()
ESPN College Football Player Season Statistics (Long Format)
espn_cfb_player_eventlog()
ESPN College Football Player Event Log
espn_cfb_player_gamelog()
ESPN College Football Player Game Log
espn_cfb_player_overview()
ESPN College Football Player Statistics Overview
espn_cfb_player_seasons()
ESPN College Football Player Seasons
espn_cfb_player_splits()
ESPN College Football Player Statistical Splits
espn_cfb_player_stats()
Get ESPN college football player stats data
espn_cfb_player_stats_v3()
ESPN College Football Player Stats (web v3, all categories)
espn_cfb_position()
ESPN College Football Position Detail
espn_cfb_positions()
ESPN College Football Positions Index
espn_cfb_recruits()
ESPN College Football Recruits

ESPN CFB – Coaches & venues

Coach, coach record, and venue endpoints

espn_cfb_coach()
ESPN College Football Coach Detail
espn_cfb_coaches()
ESPN College Football Coaches Index
espn_cfb_coach_record()
ESPN College Football Coach Season Record
espn_cfb_venue()
ESPN College Football Venue Detail
espn_cfb_venues()
ESPN College Football Venues Index

ESPN CFB – Awards, futures & franchises

Award catalog, futures markets, and franchise records

espn_cfb_award()
ESPN College Football Award Detail
espn_cfb_awards()
ESPN College Football Awards
espn_cfb_franchise()
ESPN College Football Franchise Detail
espn_cfb_franchises()
ESPN College Football Franchises Index
espn_cfb_futures()
ESPN College Football Betting Futures (Long Format)

ESPN CFB – Metrics & ratings

Win probability, QBR, power index, and FPI ratings

espn_metrics_wp()
ESPN Metrics
espn_ratings_fpi()
ESPN FPI Ratings
espn_cfb_qbr()
ESPN College Football Total Quarterback Rating (QBR)
espn_cfb_powerindex()
ESPN College Football Power Index (Long Format)

ESPN CFB – Cache management

Catalog-cache management helpers

espn_cfb_clear_cache()
Clear the cfbfastR lookup cache

Yahoo Sports Data

Yahoo CFB – Stats, scoreboard & boxscore

Yahoo Sports college-football endpoints (player/team season stats, legacy per-category leaders, scoreboard, and boxscore scaffold), wrapping Yahoo’s shangrila stats graph and editorial feed

yahoo_cfb_boxscore()
Get Yahoo Sports college football boxscore (raw JSON)
yahoo_cfb_player_season_stats()
Get Yahoo Sports college football player season stats (modern)
yahoo_cfb_player_season_stats_legacy()
Get Yahoo Sports CFB legacy per-category player leaders
yahoo_cfb_scoreboard()
Get Yahoo Sports college football scoreboard
yahoo_cfb_team_season_stats()
Get Yahoo Sports college football team season stats (modern)
yahoo_cfb_team_season_stats_legacy()
Get Yahoo Sports CFB legacy per-category team stats

Helper Functions and Data

Included data

Data included within the package

cfbd_play_type_df cfbd_conf_types_df min_year_map_df
Data in the package for reference

Model functions and PBP helpers

Expected points / win probability models and play-by-play parsing helpers

create_epa() epa_fg_probs()
Create EPA
create_wpa_naive() wpa_calcs_naive()
Create WPA
create_qbr()
Calculate QBR for each quarterback in a modeled play-by-play frame
add_play_counts() clean_drive_dat() prep_epa_df_after() clean_drive_info() clean_play_text() add_player_cols() add_yardage() clean_pbp_dat() penalty_detection()
Series of functions to help clean the play-by-play data for analysis

cfbfastR Helper Functions

Internal helpers used by cfbfastR

csv_from_url()
Load .csv / .csv.gz file from a remote connection
rds_from_url()
Load .rds file from a remote connection