After the conclusion of the war, Arms aimed to defend his title as the NCAA heavyweight national champion.
In the 1946 NCAA tournament, he was knocked out of title contention by George Bollas, a 300+ pound wrestler from Ohio State.
[3] In 1947, Arms started all 12 games at the left guard position for the eventual NFL Champion Chicago Cardinals.
The Cardinals finished the season 11–1, eventually losing a 7–0 battle to the Philadelphia Eagles in the 1948 NFL Championship Game.
Arms was mentioned on page 268 of Howard Robert's book, "The Story of Pro Football" written in 1953.