 Gromek pitched four games, and won all four with a 1.61 ERA.A year later, Gromek went 14–2 with a 2.90 ERA for the newly renamed Flint Arrows.In July, Gromek and the Arrows faced the Indians in an exhibition game, which they won, 3–2; the victory led the Indians to promote him to the major league club a month later.