Yankees' Luke Weaver Reportedly Could Miss 4-6 Weeks After Suffering Hamstring Injury

The New York Yankees could reportedly be without a key pitcher for an extended period after an injury on Sunday night.

Per ESPN's Jeff Passan, right-handed closer Luke Weaver suffered a hamstring injury while warming up during the Yankees' matchup with the Los Angeles Dodgers on Sunday. According to Passan, Weaver underwent an MRI and could be out for four to six weeks. He will get an official timetable on Tuesday.

Manager Aaron Boone said that Weaver “felt something in the middle of his hammy” before going into the game in the top of the ninth inning, per The Athletic's Brendan Kuty.

Weaver, who spent most of his career as a starter but began coming out of the bullpen in his second year with the Yankees in 2024, has appeared in 24 games this year, recording 24 strikeouts, a 1.05 ERA and eight saves across 25.2 innings.

Weaver had one of the best seasons of his career a year ago, posting 103 strikeouts and a career-high 2.89 ERA. He was integral to the Yankees' World Series run, pitching 15.1 innings and recording 16 strikeouts and a 1.76 ERA.

With Weaver out for at least a few weeks, it's unclear who Boone will turn to as the Yankees' closer. Devin Williams, who New York acquired from the Milwaukee Brewers this offseason, was the team's closer early this year, but struggles led to Weaver taking over that role.

Williams had an 11.25 ERA and four saves across eight innings when Boone decided to relieve him of his closing duties. He's since started to turn things around while serving as a reliever, posting 28 strikeouts and a 6.23 ERA in 21.2 innings.

Beyond Williams, New York could turn to Jonathan Loáisiga or Mark Leiter Jr. in the closer spot.

The Yankees have a 5.5 game lead in the AL East, sitting at 36-22 on the year, but they could now have to manage without their star closer for more than a month.