Yu Darvish underwent UCL surgery and will miss all of the 2026 season for the Padres:

Darvish, 39, also got an internal brace in the surgery performed last week, the Padres announced Tuesday.

“I will be working hard on my rehab to be able to throw a ball comfortably again,” Darvish wrote in Japanese on social media.

Darvish had Tommy John surgery in March 2015 and returned to a major league mound on May 28, 2016.

ESPN.com

Of course, in 2015 he was seasonal age 28. When and if he returns in 2027, he’ll be seasonal age 40. There is a good chance this injury ends his career.