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The Mets won’t have a shortage of New York experience at the back end of their bullpen next season.

Luke Weaver, who spent the last three seasons with the Yankees, became the latest defector from the Bronx on Wednesday, agreeing to a two-year contract worth $22 million, according to industry sources.

The addition continued an influx of Yankees to Queens that has included Juan Soto, Devin Williams and Clay Holmes in addition to manager Carlos Mendoza, a former Yankees coach. The Mets also signed Luis Severino for their rotation two seasons ago after he left the Yankees as a free agent. Other former Yankees who have signed with the Mets in recent seasons include Harrison Bader and Frankie Montas. And backup catcher Luis Torrens was acquired in a trade with the Yankees.

Earlier this offseason, the Mets signed Williams — who spent last season with the Yankees. Williams will presumably be the team’s closer following Edwin Díaz’s departure to the Dodgers.

Weaver, 32, pitched to a 3.62 ERA in 64 appearances last season for the Yankees with eight saves. In addition to Williams and Weaver, the Mets have a third former Yankees closer in Holmes, who is part of the starting rotation.

The Yankees have two major bullpen holes to fill with Weaver and Williams now gone. The team was not in on the bidding to retain Weaver, according to The Post’s Joel Sherman.

Weaver’s changeup was largely responsible for his strong underlying numbers last season, including a 32.8 chase percentage, which ranked in MLB’s 91st percentile, according to Statcast. The right-hander also had a 31 percent whiff percentage, which ranked in MLB’s 89th percentile.

The Mets will now have high-leverage righties in Williams and Weaver, with Brooks Raley and A.J. Minter as lefty options. Minter missed most of last season with a torn lat and David Stearns recently indicated he may not be ready for the start of spring training. Huascar Brazobán is another returning reliever with significant experience.

Weaver’s success pitching in New York likely appealed to Mets officials after last summer’s trade-deadline disaster in which Ryan Helsley flopped after his arrival from the Cardinals. The Mets also pursued Tyler Rogers (who thrived in his stint with the club last season) before he reached an agreement with the Blue Jays on a three-year contract worth $37 million. Another reliever the Mets acquired at the trade deadline last season, Gregory Soto, signed with the Pirates. Meanwhile, Helsley received a two-year deal worth $28 million from the Orioles. A fourth veteran arm from the Mets’ bullpen last season, Ryne Stanek, remains a free agent.

Weaver had his best season with the Yankees in 2024, when he pitched to a 2.89 ERA in 62 appearances with four saves. Over a 10-year major league career he’s also pitched for the Cardinals, Diamondbacks, Royals, Reds and Mariners.

Williams, who thrived with the Brewers before arriving in the Bronx last offseason in a trade, will be the key to the Mets’ revamped bullpen following Díaz’s departure to Los Angeles on a three-year deal worth $69 million.

Mets president of baseball operations David Stearns last week indicated he was prepared to open the season with Williams in the closer’s role.

“I am super excited for the opportunity,” Williams said at the Winter Meetings. “I think that’s something that I may have the first crack at, but you have to earn it and I look forward to doing that.”

Stearns still has an outfield hole to fill following the trade that sent Brandon Nimmo to Texas for Marcus Semien. Jorge Polanco has arrived as a new infield/DH bat following Pete Alonso’s departure to the Orioles on a five-year contract worth $155 million.

The Mets also continue to search for rotation help, either through a trade or free agency. The top names on the free agent front include Framber Valdez, Ranger Suárez and former Yankee Michael King, but Stearns has shown an aversion to long-term contracts for pitchers.

Trade capital includes players such as Ronny Mauricio, Luisangel Acuña and Mark Vientos. The Mets are unlikely to deal Nolan McLean or Carson Benge, both of whom figure into next season’s plans.