Aug 26, 2026 9:00 PM

San Francisco Giants starter Carson Whisenhunt is expected to undergo surgery after an MRI revealed a torn ulnar collateral ligament in his left elbow.

The San Francisco Giants will have to navigate another significant pitching setback. Left-hander Carson Whisenhunt is expected to undergo surgery on his injured left elbow.

The left-hander is expected to undergo surgery after an MRI revealed a torn ulnar collateral ligament in his throwing elbow. Whisenhunt is getting another medical opinion before the procedure, with the final recommendation expected to determine whether he undergoes an internal brace procedure or a traditional Tommy John reconstruction.

Regardless of which procedure is ultimately selected, the injury represents a significant interruption for Whisenhunt as he continues trying to establish himself as part of the Giants' long-term pitching plans.

San Francisco selected Whisenhunt in the second round of the 2022 MLB Draft, and his combination of strikeout ability and left-handed pitching quickly made him one of the organization's more intriguing arms. He eventually reached the majors, but his development has not followed a completely straightforward path.

Whisenhunt has made 13 starts at the major league level, recording a 5.90 ERA across 58 innings. His work in Triple-A this season offered a more encouraging picture as he posted a 4.15 ERA over 82.1 innings while continuing to miss bats at a respectable rate.

That success had given the Giants reason to remain optimistic about his future despite his uneven major league results.

The elbow injury now changes the immediate outlook.

Whisenhunt's latest appearance provided the first major indication that something was wrong. He was forced to leave after just 2.2 innings because of discomfort in his elbow, eventually leading to the MRI that uncovered the ligament tear.

The timing is particularly unfortunate for a pitcher who was still attempting to gain consistency at the highest level. Rather than using the remainder of the season to build on his experience, Whisenhunt will now begin what is expected to be a lengthy rehabilitation process.

The Giants are also dealing with a broader wave of uncertainty among their young pitchers. Hayden Birdsong and Trevor McDonald have already undergone Tommy John surgery this year, making Whisenhunt the latest member of San Francisco's pitching group to face a substantial elbow-related absence.

That could force the organization to look deeper into its pitching depth as the season progresses. The Giants have several younger arms who could receive opportunities, but replacing Whisenhunt is less about finding one immediate substitute and more about navigating another long-term loss to the organization's pitching pipeline.

For Whisenhunt, the priority will now be getting healthy and returning to the form that made him a highly regarded prospect.

His path back to the majors will depend on the eventual surgical procedure and rehabilitation timeline. An internal brace procedure can potentially allow for a quicker recovery than a full reconstruction, although neither option provides a short-term solution for the Giants.

Whisenhunt had been working toward becoming a more dependable major league option. Instead, his development will now pause as he begins another difficult chapter in his progression.

The Giants have invested several years into developing the left-hander, and his eventual return could still make him an important part of the organization's plans. For now, however, Whisenhunt's season is over, and his focus shifts entirely toward recovering from the injury and preparing for the next stage of his career.

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