A series opener between the Texas Rangers (22-17) and Colorado Rockies (9-28) is scheduled for Saturday at 8:10 PM ET, at Coors Field. The Rangers are favored away from home (-164) versus the Rockies (+138). The Texas Rangers will give the start to Andrew Heaney (0-4, 4.50 ERA), who is looking for win No. 1 on the season, and the Rockies will counter with Ryan Feltner (1-3, 5.54 ERA). The Rangers won 12-11 over the Athletics Saturday in their most recent game.