Brewers southpaw Aaron Ashby has been sidelined by an oblique strain that’s likely to keep him on the shelf to begin the season, but the lefty did get some good news on his latest wave of imaging. Per Adam McCalvy of MLB.com, the second opinion on Ashby’s most recent MRI was more favorable than the first. He’ll be shut down for two weeks and then anticipates that he’ll resume building up as a starter.
That the plan for him is to continue stretching out as a starter isn’t a huge surprise, given Milwaukee’s need for rotation depth. The Brewers just inked Jose Quintana on a one-year deal, but they also lost lefty DL Hall to the 60-day injured list and will be without Brandon Woodruff for the beginning of the season as he continues a slow build back from a significant 2023 shoulder surgery.
At present, the Milwaukee rotation includes Freddy Peralta, Aaron Civale, Nestor Cortes, Tobias Myers and Quintana. The Brewers also signed veteran swingman Tyler Alexander to a one-year deal last month, but the Quintana signing likely pushed him to the bullpen.
Depth options beyond that group are inexperienced. Righties Logan Henderson and Chad Patrick are on the 40-man roster but have yet to make their MLB debuts. Young righty Carlos Rodriguez has a dozen MLB frames to his credit. Fellow right-hander Elvin Rodriguez, who signed after a nice showing as a reliever in Japan, has all of 33 MLB innings. Non-roster options include Bruce Zimmermann and Thomas Pannone, neither of whom has had a sustained run of success in the majors. Top prospect Jacob Misiorowski will probably get a look in 2025, but he’s a 2022 second-rounder with only 170 pro innings to his name — just 17 of them coming in Triple-A.
It seems as though Ashby could be throwing before the end of spring training and thus could head out on a Triple-A rehab assignment early in the season. A mid- or late-April return seems plausible, barring setbacks. Ashby himself hasn’t quite solidified a spot in the majors, though he pitched quite well in 28 1/3 innings last year — mostly in relief. He’s oscillated between the rotation and the bullpen in Milwaukee through parts of three MLB seasons over a four-year span.
Entering the 2021 season, Ashby was among the Brewers’ top-ranked prospects. He showed promise in his rookie campaign, posting a pedestrian 4.55 ERA in 31 2/3 innings but punching out better than 29% of his opponents against a serviceable 9% walk rate. For a 23-year-old who’d just set down a gaudy 36% of his Triple-A opponents on strikes, it was a solid debut.
Ashby continued down a similar track in 2022. Though he was sporting a mid-4.00s ERA in July, he’d turned in excellent strikeout numbers and moved into the Milwaukee rotation. The Brewers and Ashby agreed to a five-year, $20.5MM extension that summer, which looked to lock the southpaw in as a foundational piece of the pitching staff.
As is too often the case for young pitchers, injuries intervened. Ashby hit the injured list with shoulder inflammation just one month after signing his contract. He returned for the final couple weeks of the season and pitched quite well. Further shoulder woes surfaced in 2023, however, and he missed most of the season with an impingement and a tear in his labrum.
Despite debuting in 2021, Ashby has only 167 1/3 big league innings. Though he’s yet to claim a long-term spot in the rotation, the fact that he’ll build back up as a starter once his oblique injury calms down suggests that he could get that opportunity this year. Presumably, a healthy Ashby would be one of the first names called if the Brewers incur an injury elsewhere following his return (depending on Woodruff’s status at that time). Ashby is still under contract through 2027, and the team holds a pair of club options on him for 2028 and 2029.