A Mariners trade package for Luke Weaver the NY Mets won’t be able to resist

Luke Weaver's recent hot streak, which now features a 21-inning scoreless streak since the start of May, has turned him into perhaps the New York Mets' best trade chip ahead of the 2026 deadline. There are few relievers with his combination of production (2.18 ERA), experience (12 career saves, plus four more in the playoffs), and contract status (under contract through 2027) that figure to be available this summer.

Of course, in what's devolved into a lost season for the Mets, it's important to capitalize on the value of someone like Weaver. The front office already got the sell-off started by shipping David Peterson over to the Chicago Cubs for prospect Cole Mathis, which should grease the wheels for a blockbuster involving the team's best relief arm.

As always, every contending team needs bullpen help around the trade deadline. That should make it easy enough to incite a bidding war for the 32-year-old right-hander; what's most important is finding the most desperate team of the bunch.

It just so happens that the Seattle Mariners and their trade-happy president of baseball operations Jerry Dipoto match up perfectly for this type of deal.

Mariners can create a Luke Weaver trade package that will be hard to top

Something the Mets will be seeking in any trade involving one of their top assets will be young, controllable starting pitching. Nolan McLean is a foundational building block and Christian Scott has been a revelation in his sophomore season, but bringing in more prospects to stuff the pipeline beyond Jonah Tong and Jack Wenninger would be a smart plan of attack.

Lefty Kade Anderson is all but untouchable, as the No. 3 overall pick in last year's draft is simply shredding Double-A this year in his first pro season. However, the Mariners' next-best pitching prospect, Ryan Sloan, could be the prize of any trade deadline blockbuster. He's a consensus top-50 prospect at this point, though he's slowed down a little bit after having made the jump to Double-A this season (4.35 ERA, 3.72 FIP).

A 20-year-old right-hander, Sloan would be a tremendous asset to add to the farm system and would immediately become the second-ranked prospect in the organization behind Tong. He alone would be a fair price for Weaver (indeed, the Mariners may balk at trading him at all), but while we're in the business of dreaming on a perfect return, an older prospect like Brock Rodden (103 wRC+ in Triple-A this season) would help build out the Mets' MLB-caliber depth which has been such an issue in the past.

Convincing Dipoto to part with a prospect as talented as Sloan will be no small task, but Weaver has spent the last two months reestablishing himself as one of the best relievers in the business. With the Mariners trying to navigate the newfound struggles of their usually superlative closer Andrés Muñoz, they could be desperate enough to swing big for another high-leverage option around the deadline.

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