Mason Ruhlman hit a three-run blast in the fourth to lift Elmira over Geneva.
The Pioneers defeated the Red Wings, 6-2.
Ruhlman made it 3-1 in the fourth inning with his home run, and Liam Hibbits hit a two-run double in the 8th to secure the victory.
Rhyse Dee picked up his third win for Elmira, going six innings and striking out six batters.