 In 1946, Allen joined the Springfield Indians of the American Hockey League, for whom he played the next five seasons.The Indians moved to Syracuse in 1951, becoming the Warriors, and he was a steady presence in the line-up for the next two and a half seasons.In February 1954, Warriors owner Eddie Shore tried to assign Allen to the Springfield Indians of the Quebec Hockey League, but he (along with several other players) balked and he was suspended.