PHILADELPHIA — The Philadelphia Phillies are bracing for a challenging season as pitcher Zack Wheeler faces a significant medical setback. Following consultations with multiple specialists regarding a blood clot in his shoulder, the team has been preparing for the possibility that Wheeler may not return to the mound in 2025. The diagnosis of venous thoracic outlet syndrome has led to the recommendation of surgery to remove a rib, a procedure that could sideline him for six to eight months, potentially extending into the 2026 season.

Wheeler, who will turn 36 in May, has established himself as a key player for the Phillies and a force on the pitching staff. Team president of baseball operations Dave Dombrowski expressed cautious optimism, stating that Wheeler is expected to recover and return to form, provided the procedure goes as planned.

This type of surgery is generally more complicated compared to others, such as Tommy John surgery, and carries the risk of complicating or ending careers for some athletes. However, Wheeler’s specific condition is less common among pitchers and does not involve nerve damage, which is often associated with greater long-term complications.

Paul Buchheit, the team’s head athletic trainer, indicated that Wheeler could resume throwing about eight weeks post-surgery, a hopeful sign for fans and teammates. On Friday, Wheeler made a brief visit to Citizens Bank Park, where he connected with the medical team to discuss his recovery process. Buchheit noted that Wheeler is in good spirits despite the circumstances.

Historical comparisons reveal mixed outcomes for pitchers with similar conditions. Merrill Kelly of the Arizona Diamondbacks underwent a similar operation in 2020 after being diagnosed with venous thoracic outlet syndrome. He successfully returned to action and has been a reliable starter since his recovery, making 129 starts since then.

In contrast, some cases of thoracic outlet syndrome have ended careers, particularly when nerve-related issues are involved, as seen with Stephen Strasburg. Buchheit clarified that Wheeler’s diagnosis is acute rather than chronic, suggesting an overall better prognosis given the nature of his symptoms.

Wheeler’s performance had shown signs of decline leading up to the diagnosis, with incidents of a lower release point during games. The Phillies were actively working to address his form during his last start, which was encouraging as he managed to perform well in that outing. However, concerns about the underlying health issues led to the necessary medical evaluations.

As one of the highest-paid pitchers in baseball, Wheeler’s absence comes as a significant loss to the Phillies, who have high ambitions for the upcoming seasons. With two years remaining on his lucrative deal, the pressure mounts not only on Wheeler to recover but also on the team to navigate this challenge without their ace.

As the Phillies look to strategize for 2025 and beyond, the uncertainty surrounding Wheeler’s health remains a critical issue. His career trajectory and the team’s competitive aspirations hinge on his ability to return to the field, making this recovery journey imperative for both Wheeler and the franchise.