TORONTO — Tuesday was a good night for the Mets.Nolan McLean delivered one of his best starts of the season, and New York played one of its crispest games of 2026 in a 3-0 win over the Blue Jays. Key to the victory was the Mets’ strength throughout the season: a bullpen that locks down leads late.The win pushed the Mets’ record to 29-2 when they lead through seven innings — a .935 winning percentage that ranks seventh best in baseball. The late-game quartet of Devin Williams, Luke Weaver, A.J. Minter and Brooks Raley has posted a collective 2.43 ERA this season, and 1.30 since May 1.How long will that late-game group stick together?The Mets, unfortunately, are only 7-48 when they don’t hold a lead through seven innings this season, and that’s left them poised to be sellers this time next month.Yesterday, we looked at what the Mets could bring back for tradeable members of their rotation. Today, the focus is on that robust bullpen.Luke WeaverContract statusWeaver is owed $2.4 million after Aug. 3 with another $11 million due in 2027.2026 performanceFollowing a rocky first month in Queens, Weaver has been lights out for two months. He hasn’t allowed a run since April 30. He yielded a solitary hit in 11 1/3 innings over June. For the season, his WHIP is below one and his strikeout rate is closing in on 30 percent. Only Louis Varland and Mason Miller have posted a higher win probability this season for a reliever than Weaver.The marketIf put on the block, Weaver would likely be the best set-up reliever available. He might even be the best reliever available, period, given the run he’s on now (and his closing experience with the Yankees).Following up on three bold MLB predictionsAndy McCulloughThe Cubs again stand out as a good fit, given the injuries they’ve sustained at the back end of their bullpen. The Mariners have had an uncharacteristically shaky bullpen, and the Brewers could use another late-game arm (though they may balk at Weaver’s 2027 salary).Projected returnLast year, the Twins traded Griffin Jax to the Rays straight up for pre-arb starter Taj Bradley. It’s not a perfect comparison, because Jax had two years of team control remaining (compared to Weaver’s one) and because his salary was much lower in arbitration.In 2015, the Phillies traded Jonathan Papelbon to the Nationals for Double-A starter Nick Pivetta. Like Weaver, Papelbon had an $11 million salary for the following season. Unlike Weaver, Papelbon was not in the middle of an outstanding season for the Phils. Nevertheless, a near-ready mid-rotation starting prospect looks like a good target for a Weaver deal.