 He signed with the Cleveland organization and in 1942 he won 17 of 24 decisions with a 2.22 ERA with Wilkes-Barre.That led to his call up to the Indians' roster when he made his MLB debut with two scoreless innings against the Chicago White Sox on September 24 in his only major league appearance of the season.Calvert spent three full seasons—1944, 1949, and 1950—in the big leagues.