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Giants Face Major Setbacks as McDonald Diagnosed With Moderate UCL Sprain and Bader Shut Down

Giants pitcher Trevor McDonald has been diagnosed with a moderate UCL sprain, with manager Tony Vitello indicating a return this season is unlikely.

Asude Karataş • 25 Temmuz 2026 08:30 • 3 dk okuma • 13 görüntülenme

The San Francisco Giants face mounting injury concerns following their return from a challenging road trip, with pitcher Trevor McDonald diagnosed with a moderate UCL sprain and outfielder Harrison Bader shut down from all baseball activities due to ongoing foot problems. Both developments threaten the team's rotation and outfield depth as the season progresses.

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McDonald's Elbow Injury Threatens Rotation
Bader's Extended Recovery Creates Outfield Concerns

McDonald's Elbow Injury Threatens Rotation

Right-hander McDonald, 25, departed his start against Kansas City on Monday with what was initially believed to be an elbow strain. Subsequent imaging revealed the more serious moderate UCL sprain diagnosis announced before Friday's series opener against the Angels. Manager Tony Vitello described McDonald's prospects of returning before season's end as "less likely," though the pitcher will obtain a second opinion over the weekend to determine the appropriate treatment path.

In 14 starts this season, McDonald has compiled a 5.12 ERA while recording 57 strikeouts across 70⅓ innings pitched. The 25-year-old, who secured a rotation spot in early May, began the campaign effectively but struggled over the past six weeks. Without McDonald in the rotation, the Giants will need to address his spot, with Adrian Houser a potential candidate to move up from the bullpen.

Bader's Extended Recovery Creates Outfield Concerns

Signed to a two-year, $20.5 million free agent contract, Harrison Bader has been limited to just 30 games this season due to recurring injuries. The outfielder was shut down from baseball activity because of persistent soreness stemming from left plantar fasciitis, a condition that has plagued him since late May. Bader will travel to Indianapolis on Monday to consult with foot and ankle specialist Dr. David Porter.

While Vitello expressed cautious optimism that Bader could potentially return at some point this season, he acknowledged the frustration of the pattern: "Every time he picks up some momentum, there's a little bit of discomfort or pain." The manager noted the challenge of multiple resets and suggested the specialist consultation may reveal additional treatment options. Through 30 games, Bader has posted a .170 batting average with a .198 on-base percentage, five home runs, and 14 RBIs.

What is a UCL sprain and could McDonald require surgery?+

The ulnar collateral ligament (UCL) in the elbow connects the humerus to the forearm bones and is critical for pitching mechanics. A moderate sprain indicates partial tearing of the ligament. If imaging reveals extensive damage, surgery could be necessary, which would likely sideline McDonald for most or all of the 2027 season. The second opinion will help determine whether surgical intervention is needed or if conservative treatment is viable.

How serious is Harrison Bader's plantar fasciitis?+

Plantar fasciitis, inflammation of the tissue band running along the foot's bottom, typically causes heel pain that worsens with activity. Bader's condition has persisted since late May despite rest periods, suggesting either conservative treatment has been ineffective or the underlying issue requires specialized intervention. The consultation with Dr. David Porter, a specialist in foot and ankle injuries, may lead to advanced treatment options.

What does this mean for the Giants' rotation and outfield?+

When will the Giants know more about McDonald's status?+

McDonald's likely absence removes an established starter from the rotation, forcing the team to either promote a reliever or adjust their pitching strategy. Bader's continued unavailability leaves the Giants without a key speed threat in the outfield. The team may turn to the waiver wire or explore roster adjustments to address these gaps, particularly if McDonald's condition requires extended recovery time.

Has the Giants' front office indicated trade deadline moves?+

McDonald is scheduled to obtain a second opinion over the weekend following his Friday diagnosis. That consultation should clarify whether conservative management or surgical intervention is the appropriate path forward and provide a more definitive timeline for his availability.

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