Complex sentence: The Mississauga St. Michael's Majors were sold during the off-season, and as part of the sale, the "St. Michael's Majors" name was returned to St. Michael's College School.
Split into simpler sentences: The Mississauga St. Michael's Majors were sold during the off-season. As part of the sale, the "St. Michael's Majors" name was returned to St. Michael's College School.