 Used exclusively in relief, Sisler pitched in 32 games for the Tigers, winning one game against three losses and collected seven saves, which was seventh most in the AL, and he did not record an error.Sisler returned to the Tigers for the 1960 season, and manager Dykes noted that he was not confident that his bullpen could help when needed, pointing to the previous season as a reference.The Tigers bullpen had won just nine games in 1959, but began 1960 with three straight victories, with Sisler pitching a scoreless two-inning appearance on April 22.