Complex sentence: He coached with the Indians for eight seasons (1953--60), then the Angels in their maiden AL season (1961), also managing several minor league clubs, including the St. Paul Saints and Sacramento Solons.
Split into simpler sentences: He coached with the Indians for eight seasons (1953--60), and then the Angels in their maiden AL season (1961). He also managed several minor league clubs, including the St. Paul Saints and Sacramento Solons.