Arizona at Colorado

Arizona is 9-20 on the road and winds up a seven-game road trip here. The D-Backs have lost seven straight while getting outscored 36-13, part of a 4-17 slide. The Diamondbacks are also 16-40 as a road dog, plus 16-36 following a loss. Colorado has a winning home record and goes for the sweep after wins of 7-1 and 7-6. Reliable veteran starter Jon Gray (3.48 ERA) is on the mound, and the team is 15-7 off an upset win over a division rival as a home dog. Play Colorado.