POSTERIOR · WIRE
InjuryMINAug 5, 2026, 11:02 PM EDTSignal confidence 85%

Joe Ryan sent for glute/back testing, questionable for Sunday start

Twins manager Derek Shelton told reporters Wednesday that Joe Ryan is being sent for testing on his glute and back, with his Sunday start in doubt and a 15-day IL stint possible.

Posterior generated visual for Minnesota Twins: Joe Ryan sent for glute/back testing, questionable for Sunday start

What happened

Joe Ryan is being sent for testing on his glute and back, Twins manager Derek Shelton told reporters Wednesday, per Dan Hayes of The Athletic. Per the report, Ryan is questionable to make his scheduled start on Sunday and could wind up on the 15-day injured list, though Shelton indicated it does not appear to be a major concern at this stage.

The 15-day injured list is the standard placement for pitchers under league rules, meaning any stint would keep Ryan off the active roster for at least that window. Whether the testing leads to a formal placement remains unannounced.

Why it matters

The timing carries weight because Ryan carried a 2.85 ERA into his second career All-Star selection. Through the first half, he was Minnesota's clear rotation anchor and one of the more reliable starters in the American League. The second half has looked nothing like that.

In his first start after the Break, Ryan surrendered six home runs to a Guardians lineup that had not been known for its power. Minnesota then skipped his next turn in the rotation, citing arm fatigue. After an eight-day absence he took the mound against Kansas City, allowing four runs on eight hits across six innings. Most recently, he faced the Royals again and gave up five runs — four earned — across 5 1/3 innings.

That is a meaningful stretch of difficulty for a pitcher who had been the staff's most dependable arm. The glute and back testing suggests the club is now looking for a physical explanation for the performance shift, though no diagnosis has been reported and the results have not been disclosed.

The numbers

Ryan took a 2.85 ERA into the All-Star Break, a figure that reflected his standing as one of the better starters in the American League through the first half. The directional story since then is not subtle: six home runs in one start, four runs allowed in the next, five runs in the one after that — with a skipped start for arm fatigue sitting in the middle of that sequence.

The 2.85 ERA is the last clean number on record. What it has become after those three second-half outings has not been reported, but the trajectory is plain enough without doing the arithmetic.

Where the club stands

Minnesota enters Thursday at 77-85 (.475), sitting third in the AL Central, eight games back in the division, and 7.0 games below the Wild Card cut line, per the verified standings. The Twins are riding a one-game winning streak but have been eliminated from both the division and Wild Card races. The season is, in the standings sense, already resolved.

That context does not make Ryan's situation less interesting — it just shifts the frame. For a club playing out the schedule, the question is less about what Sunday's rotation card means for October and more about what the testing reveals and what it tells the organization heading into the offseason.

The upcoming schedule keeps the Twins on the road. Thursday brings a trip to Kauffman Stadium, where Bailey Ober is the probable starter opposite Michael Wacha. The club then heads to Milwaukee for back-to-back games at American Family Field: Zebby Matthews is lined up Friday against Shane Drohan, and Taj Bradley is slotted Saturday against Robert Gasser.

Sunday's start — the one Ryan is now questionable for — does not yet carry a probable pitcher in the available schedule information, which is itself a small indicator of how unsettled the rotation picture is at the moment.

Is Ryan starting Sunday?

Per the report, that is genuinely uncertain. Shelton described Ryan as questionable, and the outcome depends on what the testing reveals. No timetable has been reported, and no decision on an injured list placement has been announced. The report frames a potential IL stint as a possibility, not a certainty.

If Ryan is placed on the 15-day injured list, the club would need to fill that rotation slot from whatever depth is available and would open a corresponding roster spot in the process. Under standard league mechanics, a pitcher on the 15-day IL is eligible to begin a rehab assignment and can be transferred to the 60-day IL if the situation warrants — but none of that has been reported as the plan here.

What we don't know yet

The results of the glute and back testing have not been reported. No diagnosis has been offered. It is not known whether Ryan will be placed on the injured list, whether Sunday's start will be covered by another arm, or how long any absence might last. Shelton's framing — that it does not seem like a huge concern — is the only characterization on record, and that came before the test results were available.

It is also worth noting that the source here is a manager's comment to reporters, not a club announcement. The situation sits in the "wait and see" category until the testing is complete and the Twins communicate what they found.

What to watch

The most immediate thing to monitor is whether the Twins announce a roster move in the coming days. A 15-day IL placement would appear on the transaction wire and would be the clearest signal that the testing turned up something requiring rest or treatment. The absence of a Sunday probable pitcher in the schedule is worth watching as well.

Beyond the roster mechanics, the broader question is what Ryan's second half has actually been about. A 2.85 ERA through the All-Star Break, followed by a stretch that included six home runs in a single start and a skipped turn for arm fatigue, represents a significant shift in a short window. The glute and back testing suggests the club believes there may be a physical component to that shift. Whether the results support that belief — and what the recommended course of action turns out to be — will shape how Ryan finishes the season and how the Twins think about their rotation heading into the winter.

For now, the Sunday start is in doubt, the testing is underway, and the answers are not yet in.

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