A five-run eighth inning broke the game open for the Mustangs as the Grand Junction Rockies fall to Billings, 7-1.
Lucas Gilbreath went 4.1 innings giving up one run on just three hits.
Alan Trejo hit his second home run of the year for the only score of the game for Grand Junction.
Despite the loss, the Rockies earned their first series win of the season after winning the previous two games.
The Rockies have a quick turnaround with a four-game series against the Great Falls Voyagers beginning tomorrow at 7 P.M. from Centene Stadium in Great Falls, MT.