The D'Backs are heating up with six wins in their last eight games while the Pirates are trending in the opposite direction following a hot start to the season.

Arizona right-hander Merrill Kelly (4-3, 2.92 ERA) is 3-0 with a 2.42 ERA in his past four starts, and 2-0 with a 3.71 ERA in three career starts against the Pirates.

Pittsburgh right-hander Roansy Contreras (3-4, 4.40) has lost three straight starts.

8* PLAY ON ARIZONA DIAMONDBACKS.