{"field":"season","data_type":"numeric","description":"NFL season. Defaults to current year after March, otherwise is previous year."}
{"field":"team","data_type":"character","description":"NFL team. Uses official abbreviations as per NFL.com"}
{"field":"position","data_type":"character","description":"Primary position as reported by NFL.com"}
{"field":"depth_chart_position","data_type":"character","description":"Position assigned on depth chart. Not always accurate!"}
{"field":"jersey_number","data_type":"numeric","description":"Jersey number. Often useful for joins by name/team/jersey."}
{"field":"status","data_type":"character","description":"Roster status: describes things like Active, Inactive, Injured Reserve, Practice Squad etc"}
{"field":"full_name","data_type":"character","description":"Full name as per NFL.com"}
{"field":"first_name","data_type":"character","description":"First name as per NFL.com"}
{"field":"last_name","data_type":"character","description":"Last name as per NFL.com"}
{"field":"birth_date","data_type":"date","description":"Birthdate, as recorded by Sleeper API"}
{"field":"height","data_type":"character","description":"Official height, in inches"}
{"field":"weight","data_type":"character","description":"Official weight, in pounds"}
{"field":"college","data_type":"character","description":"Official college (usually the last one attended)"}
{"field":"high_school","data_type":"character","description":"High school"}
{"field":"gsis_id","data_type":"character","description":"Game Stats and Info Service ID: the primary ID for play-by-play data."}
{"field":"headshot_url","data_type":"character","description":"A URL string that points to player photos used by NFL.com (or sometimes ESPN)"}
{"field":"sleeper_id","data_type":"character","description":"Player ID for Sleeper API"}
{"field":"espn_id","data_type":"numeric","description":"Player ID for ESPN API"}
{"field":"yahoo_id","data_type":"numeric","description":"Player ID for Yahoo API"}
{"field":"rotowire_id","data_type":"numeric","description":"Player ID for Rotowire"}
{"field":"pff_id","data_type":"numeric","description":"Player ID for Pro Football Focus"}
{"field":"fantasy_data_id","data_type":"numeric","description":"Player ID for FantasyData"}
{"field":"years_exp","data_type":"numeric","description":"Years played in league"}
{"field":"sportradar_id","data_type":"character","description":"Player ID for Sportradar API"}
{"field":"pfr_id","data_type":"character","description":"Player ID for Pro Football Reference"}