Fullback (gridiron football) to the role. The position is less frequently used in Canadian football, which focuses more on passing than running the ball. Fullback (gridiron football) A fullback (FB) is a position in the offensive backfield in American and Canadian football, and is one of the two running back positions along with the halfback. Typically, fullbacks are larger than halfbacks and in most offensive schemes their duties are split between power running, pass catching, and blocking for both the quarterback and the other running back. Many great runners in the history of American football have been fullbacks, including Jim Brown, Marion Motley,
Jim Callahan (American football) at Temple University, Callahan earned first team All-Catholic League honors at Cardinal Dougherty High School. Callahan scored a touchdown the first 10 times he touched the football in intercollegiate play, leading the "New York Times" to report facetiously that "Jim Callahan of Temple is in a slump" after the 11th reception of his career did not go for a touchdown. Callahan holds many pre-1971 era Temple Owls football records. These include most career points (218 points), most points in a season (86 points in 1968), most points in a game (30 points verses Bucknell University in 1966), most career touchdowns