PT TOMORROW: NL West—Gray making a push

Arizona Diamondbacks

Though the team has been playing it close to the vest throughout camp, Arizona's starting rotation is beginning to take shape. Josh Collmenter (RHP, ARI) was named the Opening Day starter, and Jeremy Hellickson (RHP, ARI) is also a lock for the rotation. Rubby De La Rosa's (RHP, ARI) grip on a rotation spot is strengthening thanks to a strong spring as well. De la Rosa will likely slot into the third rotation spot, though he has some hurdles to clear before he can be counted on as a reliable contributor. De la Rosa comes with an exciting mid-90s fastball, but he hasn't been able to turn that speed into strikeouts. He posted a pedestrian 4.15 xERA and 58 BPV with Boston in 2014, and his issues finding the plate (3.1...

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