 On September 8, 1947, Kogon drew with Minelli at New Haven in 10 rounds.Two weeks later on September 22, Minelli defeated Kogan in a twelve-round points decision before a smaller crowd of 3,000 in a fight that was described as "dull".On July 26, 1948, Kogon met future three time world lightweight champion Jimmy Carter as the main feature at Century Stadium in Springfield, Massachusetts, and lost by technical knockout in the seventh of ten rounds.