The Missoula Osprey pushed home six runs in the fourth inning Thursday night en route to beating the Billings Mustangs 6-4 in Pioneer League baseball at Dehler Park.
Missoula, 30-42 on the season, used four hits and three walks in erasing a 3-0 Billings lead in the fourth.
The big blow was a two-run double by Justin Bianco. Teammates Anderso Bolivar and Grant Nelson stroked RBI singles.
Billings, 28-45, got an RBI single from Carlos Sanchez in the first inning. The Mustangs' second-inning runs came on a double by Kevin Garcia and a sacrifice fly by Aristides Aquino.
Avain Rachal knocked in Billings' other run in the seventh with a sacrifice fly.
Felipe Perez, 7-5, was the winning pitcher in relief of starter Brad Keller. Starter Jose Guzman, 3-5, took the loss for the Mustangs.
The Osprey and Mustangs will continue their four-game series tonight beginning at 7:05.