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 Barnes (American football) months. Barnes later recalled that his childhood struggle with polio gave him "an incentive to work a little harder." When he was named to the All-American team in December 1968, the Associated Press story noted: "Jim Barnes looks more like an All-American than a polio victim." Jim Barnes (American football) Jim Donald Barnes is a former American football offensive guard. He played for the Arkansas Razorbacks and was selected as a consensus first-team All-American in 1968. Barnes attended the University of Arkansas where he initially hoped to play at the end or linebacker position for the Razorbacks. He ended up