After an outstanding youth career, Kovac established himself as an All-Star shortstop in the old Akron A League from 1925-42. An East High grad, Frank began his A career with the champion St. Martha team and champion Sacred Heart team. He then gave pro ball a try with a stint in the St. Louis Cardinals minor league system in Hot Springs, Arkansas under manager Roger Hornsby in 1933-34. Frank returned home to help the Killian Celtics win a couple of championships and the Goodrich Local #5 teams capture championships. A premier fielder, Frank was named to 11 All-Star teams and had a career batting average of .322.