PT TOMORROW: NL West—Anyone ready to step up in ARI rotation?

Arizona Diamondbacks

The Diamondbacks began the year with essentially the same starting rotation that ended last season—i.e., one that finished with a combined 3.61 ERA, good for third best in the majors. But with Taijuan Walker (RHP, ARI) now on the shelf for the rest of the year with a torn UCL, the rotation’s depth will no doubt be tested.

Getting the first call was 27-year-old right-hander Matt Koch (RHP, ARI). Known more for his control than overpowering stuff, Koch earned a 6B rating in the Minor League Baseball Analyst while failing to crack the team’s top 15 prospects list. Koch posted an 11/2 K/BB in 14 spring innings, and went 6 innings (1 ER, 4 K, 2 BB) in his first start against the Padres, which was enough to warrant a...

Almost!

You’re just a few clicks away from accessing this feature and hundreds more throughout the year that have a singular goal in mind: Winning your league. Subscribe to BaseballHQ.com here!

Already a subscriber? Sign in here

More From PT Tomorrow

The Brewers avoided the worst case scenario after Woodruff was hit in the elbow by a comebacker, but fans may have to wait a bit to see Jacob Misiorowski's much anticipated debut
Jun 7 2025 3:06am
Shane Bieber and Alex Cobb both started their rehab assignments, plus more from around the division.
Jun 6 2025 3:05am
Eldridge promoted to Triple-A for SF; rotation issues in ARI and SD;roster shuffle in COL; and bullpen questions in LA.
Jun 5 2025 3:10am
Can Bryce Elder hang on to the 5th spot in the ATL rotation? Plus: RP in PHI; Mauricio at NYM; MI in MIA; García Jr. and other options; more.
Jun 4 2025 3:11am
The Angels are having some poor production from 2B and 3B, Scott Kingery could help shake things up going forward.
Jun 3 2025 3:08am

Tools