Chad Spanberger's go-ahead homer in the 11th inning gives the Rockies the 11-10 win over the first-place Orem Owlz.
Casey Golden went 3-for-5 with four RBI's and a homer as well. It was his 14th of the year.
Spanberger and Shael Mendoza added to the winning effort with homers of their own.
Justin Valdespina got the start and went 5.0 innings giving up four runs on nine hits in a no decision.
The Rockies have now won four of their last five and scored over ten runs in three of those wins.
Game two of the series will be Thursday in Orem at 6:35 P.M.