Aaron Boone didn’t sound overly optimistic late Sunday while discussing Luke Weaver, who had to cut his warmup short in the bullpen before the ninth inning of that night’s game at Dodger Stadium because he “felt something” in his left hamstring. Boone’s fears were soon confirmed.

Yankees Make Bullpen Move One Day After Brutal Luke Weaver News originally appeared on Athlon Sports. The New York Yankees were dealt a brutal blow to start the week as closer Luke Weaver could miss the next 4-6 weeks due to a hamstring injury, as r eported by ESPN's Jeff Passan on Monday.

NEW YORK — Yankees closer Luke Weaver described the source of his hamstring injury as a little bit of a jump, a grab that came out of nowhere as he stretched in the bullpen during Sunday night’s win over the Dodgers.