After the war, Daniell played for the Bears in part of the 1945 season before joining the AAFC's Cleveland Browns the following year, serving as the team's first captain. While the Browns reached the AAFC championship in 1946, Daniell was kicked off the team before the title game by head coach Paul Brown when he was arrested following a confrontation with Cleveland police. Daniell left football after the season and became a steel company executive in Pennsylvania. He was elected to the College Football Hall of Fame in 1977. He was elected to the Ohio State Varsity O Hall of Fame in 2013.