He played senior hockey in Sudbury, Ontario from 1936 to 1940. He then played senior hockey for the St. Catharines Saints in 1940-41 and joined the Quebec Aces in 1941-42. He won the Allan Cup in 1944 with the Aces. In 1944-45 Rozzini joined the Boston Olympics and was called up to the Boston Bruins that season. He played in 31 games and scored 5 goals and 10 assists. He then played minor pro hockey until 1951. In that year he joined the senior Spokane Flyers of the Western International Hockey League for five seasons.