Hunter Greene to undergo elbow surgery, ending his 2025 season

Hunter Greene's 2025 season is over. The Cincinnati Reds announced that the right-hander will undergo elbow surgery, per Mark Sheldon of MLB.com. The full details of the procedure have not yet been disclosed, and the more pressing long-term question — how much his 2027 season might be affected — remains unanswered.

What happened

The Reds announced the surgery without specifying the nature of the procedure. Per Sheldon's report, Greene's 2025 season is done. Beyond that, the club has not provided a timetable or a detailed diagnosis, and MLB Trade Rumors notes that more information is expected to follow.

The uncertainty here is layered. The immediate fact — season over — is not in dispute. Everything downstream of it is. The type of elbow surgery matters enormously when projecting a return, and that detail is not yet available. Until the procedure is characterized, any discussion of Greene's 2027 readiness is genuinely speculative, and the Posterior Wire desk is not in the business of speculating.

Why it matters

Greene is the kind of pitcher whose absence reshapes how an organization thinks about its near future. Elbow procedures for pitchers carry a wide range of recovery timelines depending on what, exactly, is being repaired — general league mechanics allow for a 60-day injured list placement that removes a player from the 40-man roster count, which gives clubs flexibility in managing a lengthy absence, though no such roster move has been reported here beyond the announcement itself.

What the Reds have acknowledged, implicitly, is that the 2025 chapter is closed for their most prominent young arm. The 2026 season is already in its final stretch, and the club is working through the back end of a schedule that no longer carries playoff stakes. That context makes the surgery announcement feel less like a crisis management moment and more like the beginning of a longer conversation about what Greene looks like when he returns — and when that might be.

The 2027 question is the one that will define how this news ages. Elbow surgeries that conclude one season do not always steal the next, but they sometimes do. The Reds and their fans are in the uncomfortable position of waiting for procedural details before they can even frame the right question.

Where the club stands

The Reds are 75-87 (.463), sitting fifth in the NL Central, 28 games back in the division. They have been eliminated from both the division race and the Wild Card race, where they rank ninth, 13.0 games relative to the cut line. The team enters the weekend on a one-game losing streak.

Those numbers are the backdrop against which this announcement lands. A rotation decision that might otherwise carry urgency — who fills Greene's spot, how does the staff reconfigure — arrives at a moment when Cincinnati is playing out the string. The schedule asks something of the pitching staff regardless, but the stakes attached to those asks have already been resolved by the standings.

The Reds head into a three-game road series at Nationals Park against the Washington Nationals. On Friday, August 7, Chase Petty is the probable starter opposite Cade Cavalli. Saturday, August 8 lines up Chase Burns against Andrew Alvarez. Sunday, August 9 sends Brady Singer to the mound against Brad Lord.

That rotation picture — Petty, Burns, Singer — is the one Cincinnati is working with as it closes out August. For a club eliminated from both races, the remaining schedule carries developmental and organizational weight rather than playoff implications. Greene's surgery does not change the immediate rotation alignment, since he was presumably not part of it already given the circumstances that led to the procedure. But it does sharpen the question of what the Reds' pitching infrastructure looks like heading into an offseason that now has a significant variable attached to it.

What we don't know yet

The full details of the procedure have not been disclosed, per the announcement reported by Sheldon. That means the nature of the surgery — the single most important piece of information for projecting a return — is not yet public.

The impact on Greene's 2027 availability is explicitly flagged as uncertain by MLB Trade Rumors. That framing is worth sitting with. The question is not whether he misses the rest of 2025, which is settled. The question is whether 2027 arrives with Greene healthy, limited, or still working back. None of those outcomes can be assigned a probability right now, because the procedure itself has not been characterized.

There is also the roster arithmetic to consider. A placement on the 60-day injured list would remove a player from the 40-man count and create space — but no such move has been reported as of this writing. The announcement, for now, is the announcement.

What to watch

The procedural details, when they emerge, will reframe everything. The type of elbow surgery will determine the recovery arc, and that arc will tell the Reds — and anyone watching the organization — what they can reasonably expect from Greene going forward. MLB Trade Rumors has flagged that more information is forthcoming, so the next meaningful update is the one that names the procedure.

Beyond that, the roster and organizational implications will come into focus once the club makes any formal moves associated with the injury. For a team at 75-87 with no postseason path remaining, the calendar is already pointing toward the offseason. Greene's surgery accelerates that orientation, at least for the portion of the front office thinking about what the rotation looks like when the games start mattering again.