Complex sentence: Ed Pizunski, born 8 October 1954 in Toronto, Ontario, was a professional hockey player from 1972 until his retirement after the 1980-81 Muskegon Mohawks season.
Split into simpler sentences: Ed Pizunski, born 8 October 1954 in Toronto, Ontario. He was a professional hockey player from the years of 1972 until his retirement in the 1980-81 Muskegon Mohawks season.