As Future Core Just Took Two Brutal Injury Hits

Promising A's prospects face setbacks as De Vries prepares for shoulder surgery and Arnold recovers from a comebacker injury.

The Athletics got hit with a pair of ugly injury updates, and both involve some of the most important young arms and bats in the system.

First up is Leo De Vries, who is headed for major shoulder surgery and could be out as long as eight months. The procedure itself wasn’t the surprise so much as the recovery window, though the timeline fits with what similar surgeries have cost other players. Yankees shortstop Anthony Volpe and Toronto’s Anthony Santander both missed at least eight months after comparable operations, while Shohei Ohtani was sidelined for roughly four months after surgery on his non-throwing shoulder.

If De Vries does sit for eight months, that would put him on track to start getting back into the swing of things by mid-May. He was expected to open next season with the Aviators after a strong year at Double-A, but the longer layoff could change that path. A rehab stint with the Rockhounds before a promotion to the final level of the minors is now in play, and after that, it’s one call away from the Athletics’ dugout.

The one bit of good news is that De Vries is still just 19 and young for the level he reached this season. The hope is that youth works in his favor here, and that the offseason brings quiet progress rather than setbacks. For now, the best sign will simply be no news.

Then came another rough turn: left-handed pitching prospect Jamie Arnold was struck in the face by a comebacker in his second Triple-A start, hit by the fourth batter he faced, and taken out of the game immediately.

Arnold was able to walk off under his own power, which at least kept the situation from becoming even more alarming, but he did go to the hospital. There, doctors found intra orbital and maxillary sinus fractures. Surgery won’t be required, which is a relief, but there is no timeline yet for when he’ll be back on the mound.

It’s also possible the Athletics decide this is where Arnold’s season ends. He’s already passed his career-high in innings pitched, has reached the final level of the minors, and looked good in his first start with the Aviators. There’s a case for shutting it down and letting him reset for next year, when he’ll be needed.

A family member also shared some positive news on X.

The A’s are off today and will wait for the Seattle Mariners, who are coming to Sacramento. Until then, the injury list just got a lot heavier.

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