In 1950, Nagle was chosen as a Big Seven Conference All-Conference Selection. In 1951, Nagle played in the Senior Bowl, the College All-Star game, and the East-West Shrine Game. Nagle was inducted into the Nebraska Football Hall of Fame in 1992.
Nagle was the 25th head football coach for the Doane College Tigers located in Crete, Nebraska and he held the position of head coach at Doane for two seasons, from 1953 and 1954. His coaching record at Doane was 7 wins, 9 losses, and 2 ties. As of the conclusion of the 2007 season, this ranks him 13th at Doane in total wins and 22nd at Doane in winning percentage (.444).