sentences:  In football, he played halfback under coach Knute Rockne and was a teammate of George Gipp.Mohardt had "a powerful physique," though weighing only 160 pounds, and with the exception of a broken nose sustained in a football game in 1920, he was never seriously injured in three years of football at Notre Dame.Mohardt played in Gipp's shadow in 1919 and 1920, but became the team's star in 1921.