Career
He served as the head coach at Hillsdale College from 1949 to 1950 and at Western Michigan University from 1953 to 1956, compiling a career college football record of 19–32–3. Petoskey was the head football coach for the Hillsdale College in Hillsdale, Michigan. He held that position for the 1949 and 1950 seasons.
His coaching record at Hillsdale was 11–7–1.
Before going to Hillsdale he was head football coach at Saint Joseph High School in Saint Joseph, Michigan from 1947 to 1948, where his record was 7–5–3.
