 Entering the 1945 Cleveland Indians season, Gromek was named one of the Indians' main starting pitchers, and would hold that title throughout the season.On June 8, Gromek defeated the Browns, 2–1, to improve to 7–1 with a 1.62 ERA.On July 4, the Indians accomplished one of the more bizarre firsts in baseball history with Gromek on the mound.