Please note that the data source has changed after the 2024 season. From 2025 onwards, the following variables and descriptions will apply.
| field | data_type | description | 
|---|---|---|
| dt | character | The timestamp (ISO8601-formatted text) indicating when the data record was loaded. Can be used to assign the data set to a specific point in time during the season. | 
| team | character | Team that depth chart belongs to | 
| player_name | character | Full name of player | 
| espn_id | character | ESPN Player ID | 
| gsis_id | character | Game Stats and Info Service ID: the primary ID for play-by-play data | 
| pos_grp_id | character | Player position group identifier | 
| pos_grp | character | Player position group: formation of offense, defense, or special teams | 
| pos_id | character | Player position identifier | 
| pos_name | character | Player position name | 
| pos_abb | character | Player position abbreviation | 
| pos_slot | numeric | A number assigned to each position in a formation | 
| pos_rank | numeric | Player’s rank on depth chart grouped by pos_slot |