Paul Blackburn’s 2025 Opening Day may be in jeopardy, but he and the Mets hope his spinal fluid leak is fixed. The Mets right-hander underwent a cerebrospinal fluid leak repair on Oct. 11, the club announced Tuesday.

The team announced Tuesday that righthander Paul Blackburn had back surgery this month to repair the spinal fluid leak that kept him sidelined for the final six weeks of the season.

New York Mets pitcher Paul Blackburn had a procedure this month to repair leaking spinal fluid. The issue sidelined Blackburn in September and caused him to miss New York’s playoff run that ended Sunday with a Game 6 loss to the Los Angeles Dodgers in the National League Championship Series.