Under The Knife 5/11/26

Skubal Scope

TARIK SKUBAL, SP DET (inflamed elbow)

The more that comes out about Tarik Skubal’s elbow procedure, the more it sounds like the baseball equivalent of finding a pebble in exactly the wrong place in your shoe. Not a shredded ligament. Not degenerative wear. One small loose body sitting in precisely the spot where, on certain pitches, it could wedge between the bones of the elbow joint and interrupt movement just enough to create what Skubal reportedly described as a “dirty” feeling. That’s actually a perfect pitcher description for it. Not sharp pain necessarily, not instability, just something mechanically wrong inside a motion that depends on precision at absurd speeds.

What’s remarkable is how little evidence there was publicly. I went back through starts from this season and late last year looking for the usual tells: grimacing after extension, shaking the arm (aside from the once), altered finish, velocity fluctuations, or even any Statcast oddity suggesting compensation. Nothing obvious surfaced. Maybe there simply wasn’t much to see. Maybe Skubal is just exceptionally good at hiding discomfort. Some pitchers wear every ache on their face. Others treat pain like part of the uniform. Skubal looked like he was marching toward another Cy Young the entire time.

That’s why the surgical report matters so much. Once Dr. ElAttrache got inside and found healthy ligament tissue, healthy flexor mass, and minimal surrounding damage, the conversation changed completely. This became cleanup rather than repair. How he got inside is a big part of the story.

Part of why the recovery outlook improved so dramatically is the procedure itself. Skubal underwent a nanoscopic procedure (first reported by Buster Olney), essentially arthroscopy reduced down to something closer to precision plumbing than traditional surgery. We’ve talked about this procedure here for years, but now it’s in the wild.

The camera and instruments are tiny, not unlike a needle for an injection, which means smaller incisions, less disruption of tissue, less fluid introduced into the joint, and usually much less post-op irritation. We’ve talked about nanoscopes at Under The Knife for years because they represent one of the few actual technological leaps in sports medicine rather than a marketing refresh. Chad Lavender has been evangelizing this concept for a while, and this is exactly the sort of case where it makes sense. Get in, identify the problem, remove it cleanly, GTFO.

Scott Boras calling it a “Skubal Scope” feels very much like Boras recognizing a branding opportunity before the rest of us have even figured out how to spell nanoscopy. If the procedure works the way early returns suggest, though, he might not be the only one using the term for very long.

The one lingering concern is recurrence because loose bodies can redevelop in high-stress joints, especially in pitchers generating the kind of extension and force Skubal does. But let’s be very clear, this outcome landed about as close to best-case as possible, perhaps more since none of us expected a nano scope to be involved. Detroit might still manage the return conservatively because contenders think in October terms now, not June ones, yet all signs point toward Skubal ending up on the aggressive side of the recovery timeline rather than the cautious one.

TYLER GLASNOW, SP LAD (back spasms)

Blake Snell’s return gave the Dodgers exactly what they needed most with Tyler Glasnow suddenly unavailable: flexibility. Once Glasnow’s back spasms flared badly enough to knock him out after nine pitches, the easiest move became the obvious one. Put him on the IL, slide Snell back into the rotation, and keep the six-man structure intact for Roki Sasaki rather than forcing everyone else to absorb the disruption.

The Dodgers are describing Glasnow’s issue as transient, which is encouraging because back spasms are usually more symptom than diagnosis. The muscle locks down protectively when something in the chain gets overloaded or irritated. Sometimes it’s mechanical fatigue. Sometimes it starts in the hips or lower half and migrates upward until the lumbar area starts absorbing force it shouldn’t. With a pitcher built like Glasnow, all long levers and explosive extension, small inefficiencies tend to magnify quickly.

That’s why the IL stint matters even if the spasms calm down fast. The Dodgers now have time to investigate instead of react. Rather than simply treating tightness and sending him back out hoping the issue doesn’t recur, the medical and performance staff can work backward through movement patterns, recovery data, and workload response to identify what triggered the spasm in the first place. For a team thinking almost entirely about October, solving the cause matters a lot more than surviving one missed start.

Sadly, one of the best ways for Under The Knife to grow is to have a big injury. Tarik Skubal’s surgery gave subscriptions a surge, so welcome and enjoy the positive report on him below. We’re still just below a round-number goal I had for early in the season, so I hope you’ll consider becoming a paying monthly subscriber. Big injury or small, I put in the work and get you the info.

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