Matt Costello kept the Evansville Otters (20-10) off the board during his seven innings of work and the Frontier Greys (12-18) beat the Evansville Otters, 13-4.
Costello struck out five and allowed no walks and five hits.
The Frontier Greys turned the win into a rout with five runs in the eighth.
Balbino Fuenmayor racked up five RBIs on two hits for the Frontier Greys. He homered in the seventh inning and singled in the eighth inning.
Rich Hawkins (1-2) took the loss for the Evansville Otters. He lasted just five innings, walked one, struck out four, and allowed four runs.