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In page Walter Bahr:

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After participating in the 1948 Summer Olympics, Bahr turned professional and helped his club win ASL titles in 1950, 1951, 1953, and 1955. In the summer of 1953, he helped Montréal Hakoah FC reach the Canadian final.[2] He then switched to the Uhrik Truckers, another team in the Philadelphia area, and won the ASL title in 1956. He then joined Montreal Sparta in late August where he won the 1956 Quebec Cup.[3]