He accepted a track scholarship from Oregon State, where he ran in the sprint medley relay and the high hurdles.
[1][2] On June 27, 1963, he was signed as an undrafted free agent by the Dallas Cowboys to be tried at offensive end, although he didn't play college football.
[5] In 1966, he was signed as a free agent by the Detroit Lions to play defensive back.
In the 1968 AFL expansion draft, he was left unprotected by the Chargers and was selected by the Cincinnati Bengals.
[8] His brother Amos Marsh played professional football for the Dallas Cowboys and Detroit Lions.