| season | numeric | 4 digit number indicating which season(s) the specified
combine occurred. | 
| draft_year | numeric | Year that player was drafted | 
| draft_team | character | Team that drafted player | 
| draft_round | numeric | Round that player was drafted in | 
| draft_ovr | numeric | Pick number of player | 
| pfr_id | numeric | Pro-Football-Reference ID for player | 
| cfb_id | numeric | Sports Reference (CFB) ID for player | 
| player_name | character | Full name of player | 
| pos | character | Position of player | 
| school | character | College of player | 
| ht | numeric | Height of player (feet and inches) | 
| wt | numeric | Weight of player (lbs) | 
| forty | numeric | Player’s 40 yard dash time at combine (seconds) | 
| bench | numeric | Reps benched by player at combine | 
| vertical | numeric | Player’s vertical jump at combine (inches) | 
| broad_jump | numeric | Player’s broad jump at combine (inches) | 
| cone | numeric | Player’s 3 cone drill time at combine (seconds) | 
| shuttle | numeric | Player’s shuttle run time at combine (seconds) |