Complex sentence: He also began his coaching career with the OHA's Guelph Biltmore Mad Hatters and, late in the 1947--48 season, regained his amateur status and joined the Kitchener-Waterloo Dutchmen in the OHA senior division.
Split into simpler sentences: He also began his coaching career with the OHA's Guelph Biltmore Mad Hatters. Late in the 1947--48 season, he regained his amateur status and joined the Kitchener-Waterloo Dutchmen in the OHA senior division.