Though compensation varies depending on the college conference, baseball umpires working in Division 1 can earn about $400 a game and mileage, lodging and a modest per diem. Hockey referees earn up to about $400 for a Division I college game, linesmen about half as much.hough compensation varies depending on the college conference, baseball umpires working in Division 1 can earn about $400 a game and mileage, lodging and a modest per diem. Hockey referees earn up to about $400 for a Division I college game, linesmen about half as much.