Donald Dean Trull (born October 20, 1941) is a former American football quarterback in the American Football League. Trull played football collegiately at Baylor University, where he was an All-American and twice won the Sammy Baugh Trophy as the nation's top passer. Trull finished fourth in the Heisman Trophy voting in 1963. In 2013, he was inducted into the College Football Hall of Fame.