If the Seattle Mariners really are headed for an offseason reset, then they can’t just shop for clean fits and tidy deals. They may need to get uncomfortable. That means looking hard at players whose current teams would like to move money, and who could still make sense in Seattle if the price is right.
That’s where three names stand out: Matt Chapman, Dansby Swanson and Bryan Reynolds.
The Mariners have plenty to sort out, and third base sits near the top of the list. Brendan Donovan was a defensive liability even when healthy, and the position has given Seattle 0.0 rWAR.
Chapman, even while limited to 84 games, still posted 2.7 rWAR with a 96 OPS+ and remained a strong defender. He’s also 33 and will be coming off season-ending core surgery next spring, which is exactly the kind of detail that could scare off other clubs but open a door for Seattle.
The Giants were already willing to listen on Chapman before this year’s trade deadline, and they’re expected to explore that market again this winter as they look to trim payroll. A Naylor-for-Chapman swap would not make much sense for San Francisco, but if the Giants were willing to eat salary in exchange for a prospect or two from Seattle, Jerry Dipoto would have to take that seriously. Chapman does have full no-trade protection, though, and he’s been tied to the Bay Area for seven of his 10 major league seasons.
Shortstop is another spot Seattle can’t ignore, even if Colt Emerson remains the organization’s shortstop of the future. His first year was rough and injury-filled, but the Mariners aren’t going to abandon that plan.
That makes Dansby Swanson a tricky fit on paper. He’s 32, he has no-trade protection, and the Cubs’ return on their $177 million investment has been good overall - Swanson has produced 16.6 rWAR in four seasons - even if his offense has slipped enough to make the contract feel sour to Chicago fans.
Still, the defensive case is strong. Swanson is a two-time Gold Glover, and his 78 Outs Above Average ranks second among all defenders over the last five seasons.
Seattle’s defense needs fixing, and he would qualify as one of the biggest upgrades available. The Cubs were interested in George Kirby and Emerson Hancock before the trade deadline, so a deal could involve one of them if Chicago included cash or another player with Swanson.
Then there’s Bryan Reynolds, who may be the cleanest offensive fit of the bunch. The Mariners’ biggest winter task is re-signing or replacing Randy Arozarena, and that won’t come cheaply; his next deal is likely to land in nine figures. Seiya Suzuki and Ian Happ are alternatives, but both could face the same kind of market scarcity Seattle is trying to navigate.
Reynolds isn’t a perfect answer, and whether his contract truly counts as bad is up for debate. He was an All-Star as recently as 2024, and he leads all of MLB with 36 doubles this season.
But he’ll be 32 on April 20 of next year, and the Pirates should be paying attention to the trend that comes with that age curve. In Seattle, he wouldn’t need to be the lineup’s engine.
He could work as a supporting bat behind Cal Raleigh and Julio Rodríguez, and he’d fit especially well near the top of the order, ideally alongside Donovan.
There’s even a possible path to make that kind of move. The Pirates reportedly made a strong push for Naylor before he re-signed with the Mariners, so a Naylor-for-Reynolds idea could be part of the conversation. And Reynolds may not have much control over the destination anyway; as of 2025, Seattle was not on his limited no-trade list.
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