The Arizona Diamondbacks named Zac Gallen the starter for Opening Day on March 28 when the Colorado Rockies come to Chase Field to start a four-game series. Gallen is coming off an All-Star season where he boasted a 17-9 record with a 3.47 ERA in 34 starts. The D-backs ace told Arizona Sports' Wolf & Luke on Monday that he's ready to move on from spring training.