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Jonah Tong

Mets Sticking With Six-Man Rotation

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The Mets are moving to a six-man rotation for the time being, manager Carlos Mendoza tells reporters (including Anthony DiComo of MLB.com). That’ll keep Jonah Tong in the rotation after tonight’s debut. New York will operate with a seven-man bullpen for the next two games but will get an eighth reliever back when active rosters expand on Monday.

Tong worked five innings against the Marlins tonight. He gave up four runs, only one of which was earned after the Mets made a pair of errors in the fifth inning. Tong punched out six without issuing a walk while allowing six hits. Completing five innings was all he needed to do to pick up his first big league win. The Mets pounded Miami pitching for 19 runs in a blowout victory.

The Mets now have a pair of rookies in their starting staff. Nolan McLean, called up two weeks ago, has begun his big league career with a trio of fantastic starts. He fired eight scoreless innings against Philadelphia last time out and has allowed only two runs through his first 20 1/3 innings. David Peterson has been their best starter all year, while Kodai Senga and Sean Manaea are surely locked into rotation spots. It wouldn’t have made much sense to call Tong up just for a spot start.

Clay Holmes has a 4.38 ERA with a well below-average 15.8% strikeout rate in eight starts since the All-Star Break. He has only completed six innings once during that stretch. The Mets could’ve considered moving him to the bullpen, where he’ll probably end up in October if they hold onto a playoff spot. That’s not the plan for now, and Holmes is lined up to start in Detroit next Wednesday.

The Mets have a scheduled off day on Thursday. If they don’t make any adjustments to their six-man rotation, Tong’s second MLB start will come a week from now at Great American Ball Park. That’s shaping up to be a big series with the Reds representing the closest thing to a challenger in the Wild Card race. New York has pulled five games clear of Cincinnati, who have dropped four in a row at a very inopportune time.

The final month presents an evaluation opportunity for New York’s coaching staff and front office. They could go in a number of directions with a playoff rotation. Peterson is probably the favorite for a Game One start, but McLean and Tong each have a shot to convince the club that they’re worthy of a postseason start despite their inexperience.

Mets To Promote Jonah Tong

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3:03pm: Mets manager Carlos Mendoza confirmed that Tong will be promoted and make his major league debut against the Marlins this Friday, per ESPN’s Jorge Castillo.

2:46pm: The Mets are set to promote top pitching prospect Jonah Tong for his major league debut, reports Will Sammon of The Athletic. They’ll need to clear space on both the 40-man and 26-man rosters in order to formally select his contract from Triple-A Syracuse. Tong will be used as a starter, per Joel Sherman of the New York Post.

Tong, 22, has been one of the best pitchers in all of Minor League Baseball in 2025. His stock has soared accordingly, and he’s leapfrogged Syracuse teammate Brandon Sproat as the top yet-to-debut pitching prospect in the Mets organization. He’ll join another ballyhooed young righty, Nolan McLean, in what amounts to a late-season youth movement for a Mets club that has seen veteran starters like Sean Manaea, Frankie Montas, Tylor Megill, Paul Blackburn and Griffin Canning struggle and/or miss significant time due to injury.

A seventh-round pick back in 2022, Tong opened the current season in Double-A and posted a video-game-esque 1.59 ERA and 40.8% strikeout rate in 102 innings there. That earned him a bump to Triple-A, where he’s some improved. Tong has tossed 11 2/3 scoreless innings with the Mets’ top affiliate, allowing only eight hits and three walks (6.7%) while punching out 17 of 45 opponents (37.8%).

Tong’s dominant season has catapulted him toward the top of the Mets’ prospect rankings and into the elite tier of leaguewide prospects. Baseball America ranks the 6’1″, 180-pound righty as the sport’s No. 42 overall prospect, and Tong sits 44th at MLB.com. ESPN’s Kiley McDaniel has Tong up at No. 21 on the updated top-100 list he released earlier this week.

That slight frame, Tong’s arm slot and his usage of a plus changeup invoke some comparisons to former Cy Young winner Tim Lincecum, though his overall delivery isn’t nearly as violent. Scouting reports on Tong typically cite him sitting 92-94 mph with elite induced vertical break, but he’s averaged 95.7 mph in his pair of Triple-A outings thus far. That previously mentioned changeup, which sits in the mid-80s, has been Tong’s go-to secondary offering and misses bats in droves. He also mixes in a curveball in the upper 70s and a slider that sits 87 mph.

Since he was called up after Aug. 15, Tong cannot accrue 45 days of service time this year and will thus retain his rookie eligibility heading into the 2026 campaign. That will qualify him for MLB’s Prospect Promotion Incentive program, meaning he could net the Mets a compensatory pick if he breaks camp with next year’s team and wins NL Rookie of the Year — or if he finishes top-three in Cy Young or MVP voting in any of his first three full MLB seasons. In terms of club control, the Mets can keep Tong all the way through the 2031 season, and he wouldn’t qualify for arbitration until the 2028-29 offseason.

While Tong is very arguably already one of the best 13 pitchers in the Mets system and thus deserving of a chance to help the team push into the postseason, the late promotion also offers Mets faithful a glimpse at the future. Tong and McLean will have the opportunity to join Kodai Senga, David Peterson, Clay Holmes and Manaea as rotation arms moving forward. Sproat and former top prospect Christian Scott, who’s on the mend from last summer’s Tommy John surgery, only further add to that impressive crop of pitching.

It’s not yet clear exactly how New York will work all of those arms onto the staff, but that’s an issue for a future day. For the time being, the focus will be on Tong stepping into the heat of a playoff race, looking to continue his meteoric ascent and, ideally, impressing enough to position himself as a core piece in Queens.

Mets Notes: Tong, Duran, Siri

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There is some feeling within the Mets organization that right-handed pitching prospect Jonah Tong could make his MLB debut before the 2025 season is up, Mike Puma of the New York Post reports.  Tong only just made his debut with Triple-A Syracuse on August 16 and hadn’t been projected as “a consideration for the Major League roster this year,” Puma writes, but “that stance has changed in recent days.”

The shift is due to both the Mets’ rotation needs, and Tong’s continued excellence in his third pro season.  A seventh-round pick for New York in the 2022 draft, Tong has emerged as a top-100 prospect — Baseball America has the right-hander 42nd on their midseason top 100 list, and MLB Pipeline has Tong in their 44nd spot.  It is easy to see why, as Tong has an absurd 1.43 ERA and 40.5% strikeout rate over 113 2/3 combined innings at the Double-A and Triple-A levels in 2025.  That includes 11 2/3 scoreless innings during his brief time in Syracuse.

Naturally there’s some risk in bringing the 22-year-old up to the Show in such relatively rapid fashion, and Tong’s 10.6% walk rate stands out as a potential weakness to be exploited by big league hitters.  That said, Tong’s unusual delivery could also leave some hitters baffled, not to mention his plus fastball that has a ton of break if relatively little velocity (in the 91-94mph range).

Promoting Tong doesn’t necessarily mean he’d be in the majors for the rest of the season, of course, as the Mets could potentially use him for a spot start during a crowded stretch of the schedule.  New York is six games into a stretch of 26 games in 27 days, with September 4 as the only off-day during that stretch.  This puts even more pressure on a rotation that hasn’t provided much in the way of length or results lately, and the Mets already turned to another rookie in Nolan McLean to take Frankie Montas’ rotation spot earlier this month.

At this point it wouldn’t be a shock to see McLean, Tong, and another top prospect in Brandon Sproat all get onto the mound before the Mets’ season is over.  This need for help from the farm (in addition to any club’s natural reticence about moving top prospects) may have been a reason why the Amazins didn’t make much progress in trade talks with the Twins about Jhoan Duran.

The Mets were loosely linked to Duran’s market just prior to the trade deadline, and the New York Post’s Jon Heyman reported that the Mets weren’t willing to move any of McLean, Tong, Sproat, Jett Williams, or Carson Benge.  This quintet are the consensus top prospects within New York’s farm system, and Baseball America has all five players within their league-wide top-100 prospects list.  Minnesota was known to be seeking at least one top-100 type for Duran’s services, and found such an offer from another NL East club in the Phillies, who landed Duran for Eduardo Tait and Mick Abel.

Duran has looked excellent in Philadelphia, while the Mets have gotten mixed result from their deadline bullpen acquisitions.  Tyler Rogers and Gregory Soto have both pitched well since coming to Queens, but Ryan Helsley has struggled badly.  Shaky pitching on both the bullpen and rotation has contributed to the Mets’ 7-13 record in August, and the Phillies have pulled out to a six-game lead over New York in the NL East.

In other Mets news, manager Carlos Mendoza told reporters (including MLB.com’s Anthony DiComo) on Wednesday that Jose Siri is expected to start a minor league rehab assignment this week.  Siri fractured his left tibia after fouling a ball off his leg back in April, and what was expected to be an absence of 8-10 weeks has now lasted well over four months.  Since he played in only 10 games with the Mets before the injury, Siri figures to need at least a week of minor league action to get fully ramped up for a return to the active roster.

This makes him a candidate for an IL activation once rosters expand on September 1, though Siri will be returning to a more crowded outfield picture.  New York went into the season planning to use Siri and Tyrone Taylor in a center field timeshare, but the deadline acquisition of Cedric Mullins has now created a more traditional lefty-righty platoon up the middle with Taylor.  A player with Siri’s elite glove always has value on a roster, of course, so the Mets could use him as something of a defensive specialist if nothing else.

Mets Move Frankie Montas To Bullpen

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The Mets will move struggling right-hander Frankie Montas from the rotation to the bullpen, manager Carlos Mendoza announced Tuesday (link via Anthony DiComo of MLB.com). The team has not yet announced who will start in place of Montas on Saturday. The Mets have righty Paul Blackburn on a minor league rehab assignment, but Mendoza indicated that Blackburn will make at least one more rehab appearance and is not an option to step into Montas’ rotation spot this weekend.

Notably, Saturday is the first day that prospects can be promoted to the major leagues but still fall shy of the requisite 45 days on the active roster that exhausts a player’s rookie status. In other words, beginning Saturday, the Mets will be able to turn to a top prospect like Nolan McLean or Brandon Sproat without burning either pitcher’s rookie eligibility. That’s key for teams with top-100 prospects, as promoting those prospects early in the 2026 season can then net the teams a compensatory draft pick, based on Rookie of the Year voting.

It’s been a miserable season for the veteran Montas, who inked a surprisingly strong two-year, $34MM contract with an opt-out provision over the winter. That opt-out is a moot point by now, with the 32-year-old righty being relegated to bullpen work after logging a 6.38 ERA in his first eight appearances of the year (36 2/3 innings).

Montas began the season on the injured list due to a lat strain and didn’t pitch in the majors until late June. He’s allowed four or more earned runs in four of seven starts and has yet to complete six innings in an outing. Setting aside a solid season debut in which he tossed five shutout frames, Montas has been clobbered for a 7.39 ERA and yielded an average of 2.27 homers per nine innings pitched in six starts and one three-inning relief appearance (his most recent outing).

It appears that Montas won’t get the opportunity to improve on that rotation performance anytime soon. It’s difficult to fathom a scenario where he’d turn down the $17MM player option he’s facing at season’s end, so it’s in the Mets’ best interest to get him back on track, but their recent play doesn’t afford them the luxury of keeping a struggling veteran in the rotation while he tries to sort things out.

The freefalling Mets, who’ve lost seven in a row, currently have Kodai Senga, Sean Manaea, Clay Holmes and David Peterson in the rotation. Sproat and McLean stand as the two most logical replacements. (Fellow top prospect Jonah Tong was only just promoted to Triple-A and has yet to throw a pitch there.) Sproat last pitched Aug. 7 and would be on eight days’ rest, whereas McLean pitched on the 10th. Based on their current schedules, McLean seems like the more straightforward option, and he’s pitched more effectively this season anyhow.

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