The Diamondbacks are expecting a significant boost to their rotation next week with the anticipated return of Michael Soroka, who Manager Torey Lovullo indicated could take the mound on Monday against the Rockies. Soroka has been recovering from a glute strain that sidelined him since late June.
Rotation Shifts and Management Decisions
Arizona's plans became clearer when they optioned left-hander Kohl Drake back to the minors following his last start. Drake had been filling the No. 5 starter role, but his departure left an opening that Soroka is positioned to fill. This move underscores the challenge teams face in managing depth, especially as injuries plague key players during a critical phase in the season. It also reflects the Diamondbacks' confidence in Soroka's ability to step back into a significant role upon his return, particularly given their current standings in the playoff race.
A Closer Look at Soroka's Performance
In his 15 starts with the Diamondbacks, Soroka maintained a commendable 3.07 ERA, bolstered by a 3.60 xFIP and 3.63 SIERA over 82 innings. His performance was highlighted by excellent home run prevention and a career-low walk rate of 5.1%. Such metrics often indicate a pitcher's ability to control the game, leading to consistent outings. An effective home run prevention rate can be particularly telling, especially in a league where offensive power is a prominent feature of many teams. Soroka's stats suggest he brought stability—something the Diamondbacks desperately need at this stage.
Acquired over the offseason on a one-year, $7.5MM deal with additional incentives, Soroka was previously navigating a challenging 2025 season with a 4.52 ERA through 22 appearances across the Nationals and Cubs. While that figure didn't stand out, he demonstrated improvements, particularly in strikeout rates, achieving his highest innings total since 2019. The Diamondbacks’ investment in him has shown returns, especially during the first three months of the season, as they look to maximize their roster for the stretch run. If you’re working in this space, it’s fascinating to consider how pitching depth can determine a team’s success as they approach the postseason.
Current Standings and Strategic Moves
As of Saturday, the Diamondbacks are clinging to a half-game lead for a Wild Card spot. Despite limited moves at the trade deadline aside from acquiring outfielder Lars Nootbaar, Soroka's return aims to mitigate the impact of missing ace Zac Gallen, as well as other key pitchers like Corbin Burnes and Ryne Nelson. While some viewed the rotation as an area for improvement during the trade period, General Manager Mike Hazen opted to retain established pitchers like Merrill Kelly and Eduardo Rodriguez, both of whom have delivered solid outings this season.
Implications for the Diamondbacks
What this means for you, if you’re a fan or analyst, is that the Diamondbacks are at a strategic pivot point. With Soroka returning, they are betting on his ability to enhance their chances for a playoff spot. The team has a thin margin for error. Each game holds significant weight now, and the addition of a pitcher like Soroka could be just what they need. However, this gamble also highlights their broader strategy—staying in-house rather than making big trades. Some might argue that this approach limits their potential upside, but it also shows faith in their existing roster.
And yet, the pressure is tangible. With multiple key players sidelined, relying on a singular return to boost the whole rotation draws risks. If Soroka doesn't perform as expected, questions will be raised about the management's decisions leading into the postseason. The discussion isn't simply about baseball; it's about managing resources effectively in a highly competitive environment.
Photo courtesy of Mark J. Rebilas, Imagn Images