Edwin Diaz, closer for the New York Mets He will undergo surgery on Thursday after suffering a torn patellar tendon in his right knee, the team announced.

The injury timeline is around six to eight months, according to the Mets.

The injury occurred during Puerto Rico team celebration in the World Baseball Classic on Wednesday.

METS’ EDWIN DIAZ SUFFERS INJURY DURING WORLD BASEBALL CLASSIC CELEBRATION, LEAVES FIELD IN WHEELCHAIR

After Puerto Rico secured a spot in the WBC quarterfinals after beating the Dominican Republic.

As the team celebrated near the mound, Diaz went down.

He was taken into dirty territory and placed in a wheelchair where he was taken to the clubhouse.

It’s a devastating blow for the Mets, as Diaz was one of the best closers in baseball last year, putting up all-time numbers. He pitched with a 1.31 ERA last season, easily the lowest of his career, striking out 17.1 batters per nine innings.

He finished in ninth place in the voting for the National League Cy Young Award.

Fox News’ Ryan Morik contributed to this report