The MLB trade deadline is mere days away, yet quite a few teams are still deciding whether to buy or sell.

That’s a symptom of baseball’s expanded playoff format, which, since 2022, has seen 12 of the 30 MLB teams make the postseason.

Entering Thursday, only eight teams were more than five games out of a playoff spot.

The result has been a slow-moving trade market as fringe contenders such as the Detroit Tigers (51-58), San Diego Padres (55-53) and Minnesota Twins (54-55) weigh which deadline direction to take.

Only complicating matters is this winter’s expiration of the collective bargaining agreement, as some buyers may be wary of adding players with long-term contracts due to the possibility that the next CBA will feature a salary cap.

But, as Monday’s 6 p.m. deadline approaches, there are several surefire sellers that can offer up players on expiring deals or who are under reasonable team control.

Here are the teams expected to be among the most active sellers:

METS

The Mets (46-63 as of Thursday morning) got a head start when they traded left-hander David Peterson to the Chicago Cubs last month.

When it’s all said and done, the number of players the Mets send away could approach double-digits.

The Mets intend to compete next season, but they have no shortage of players on expiring contracts who should be on the move in the coming days.

Freddy Peralta (5-9, 4.99 ERA) hasn’t worked out in Queens, but his All-Star track record still makes him one of the more compelling starters on the market.

Left-handed relievers (and impending free agents) A.J. Minter and Brooks Raley are also expected to move, while outfielders Luis Robert Jr. and Tyrone Taylor are available, too.

The bigger questions are whether the Mets will part with top reliever Luke Weaver (1.88 ERA, 44 strikeouts in 43 innings), who is under contract next season; or starter Clay Holmes (4-4, 2.39 ERA), who holds a $12 million player option for 2027 that he will likely decline.

LOS ANGELES ANGELS

The Angels (42-67) kicked off what could be a full-blown firesale by trading catcher Logan O’Hoppe and right-handed reliever Chase Silseth to the Texas Rangers on Wednesday night.

Bigger needle movers could be traded next.

The buzziest name is Zach Neto, a power-hitting shortstop with three more years of team control after this one.

The Angels don’t have to trade Neto, 25, who posted back-to-back seasons exceeding a 5.0 WAR (wins above replacement) from 2024-25 and entered Thursday with 19 home runs this year.

But contenders such as the Tampa Bay Rays, Boston Red Sox and Atlanta Braves could use an upgrade at shortstop, so this might be the time for the rebuilding Angels to cash in on Neto’s value.

Adell (.695 OPS) is having a down season, but he’s less than a year removed from 33 homers in 2025, and right-handed power is at a premium in this market. He’s not a free agent until after the 2027 season.

Starting pitchers Jose Soriano (9-6, 3.29 ERA) and Reid Detmers (3-7, 4.03 ERA) are under team control for two more seasons after this one but also might not fit the Angels’ timeline to return to contention.

SAN FRANCISCO GIANTS

The Giants (46-62) would surely love to move off of the big contracts owed to Willy Adames, Matt Chapman and even Rafael Devers.

It’s more likely, however, that the Giants will find trade partners for second baseman Luis Arraez and left-handed starter Robbie Ray, both of whom are due for free agency this winter.

The lefty-swinging Arraez is delivering a typical offensive season, batting an MLB-best .331 but with only four home runs.

But Arraez’s improved defense has been a major bright spot, which could make him more attractive to the teams that previously viewed him as only a one-dimensional singles hitter.

The 34-year-old Ray (9-6, 3.16 ERA) is one of the better starters on the market, even if his strikeout rate (7.8 per nine innings) is down considerably from his peak.

Right-handed starter Tyler Mahle (3-9, 4.96 ERA) and righty reliever JT Brubaker (3.10 ERA) are also on expiring deals.

TORONTO BLUE JAYS

Who would have thought the Blue Jays, only nine months removed from losing Game 7 of the World Series, would be in last place in the AL East?

Toronto (50-59) isn’t likely to blow up its roster, but it does have quite a few impending free agents.

Leading that list is 35-year-old right-hander Kevin Gausman (4-10, 4.51 ERA), who is having an uncharacteristically down season but still boasts 123 strikeouts in 121.2 innings and is battle-tested.

Daulton Varsho remains among baseball’s best defensive outfielders, even if his offensive production (.691 OPS) pales to last year’s (.833).

The dropoff has been even starker for George Springer (.719 OPS, down from .959 last season), but the 36-year-old still has at least some appeal as a right-handed bat.

Shane Bieber (2-2, 5.74 ERA) is probably nothing more than a flyer for a contender who hopes the 2020 Cy Young Award winner can recapture even a semblance of his past performance.

The struggles of that quartet shed some light on why the Blue Jays have underperformed this year. None of those players is likely to command much of a return, but each could help the right team improve on the margins.