Senga did not factor into the decision Tuesday against the Royals, allowing four runs on five hits and four walks while striking out four over three innings.
Senga entered following a scoreless inning from opener Cionel Perez. After surrendering a two-run homer to Tyler Tolbert in the second inning, Senga allowed a two-run double to Lane Thomas in the fourth. The right-hander has now allowed at least one home run in each of his last eight appearances. In eight innings as a bulk reliever, Senga has given up six runs. He remains in search of his first win while sporting an 8.92 ERA, 1.80 WHIP and 46:27 K:BB across 38.1 innings this season.
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Mets' Kodai Senga: Sent to bullpen
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Mets manager Carlos Mendoza said Wednesday that Senga will be moved to the bullpen, Will Sammon of The Athletic reports.
Senga's demotion to a relief role comes after he walked five batters and allowed seven earned runs in just 3.2 innings during Tuesday's loss to the Cubs, bringing his record to 0-6 and inflating his ERA and WHIP to 10.08 and 1.92, respectively, over his seven starts on the season. Though the right-hander will be available to make his debut out of the bullpen during this weekend's series versus Philadelphia, he could be needed to fill a bulk-relief role behind an opener while the Mets still have a couple of holes in the rotation. The Mets aren't necessarily closing the door on Senga re-emerging as a starter at some point, but he'll presumably need to show improved form while working out of the bullpen for an extended period before the team goes down that road again.
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Mets' Kodai Senga: ERA reaches double digits
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Senga (0-6) took the loss Tuesday against the Cubs, allowing seven runs on three hits and five walks while striking out six over 3.2 innings.
Senga opened the game with a promising first inning, striking out two batters, but things unraveled quickly in the second. The right-hander walked two hitters and hit another before Pete Crow-Armstrong launched a three-run homer to cap off a five-run frame. Senga later surrendered a two-run shot to Dansby Swanson in the fourth before his night came to an end. The veteran's recent stretch has been particularly horrid, as he has now allowed 27 earned runs across his last five starts while failing to complete more than four innings in any of them. Still searching for his first win of the season, Senga owns a disastrous 10.08 ERA, 1.92 WHIP and 34:22 K:BB through 27.2 innings. He is scheduled for a home matchup against the Phillies next time out, though manager Carlos Mendoza suggested during his postgame press conference that Senga could be removed from the starting rotation in the near future, per Anthony DiComo of MLB.com.
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Mets' Kodai Senga: Reinstated from injured list
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The Mets have reinstated Senga (spine/arm) from the 15-day injured list to start Tuesday's game against the Reds.
Senga will return to the big-league club after a seven-week absence due to back and arm injuries. The 33-year-old built up to 75 pitches and six innings during his fourth and final rehab outing, so he'll likely still have some minor workload limitations early on. The Mets optioned Jonathan Pintaro to Triple-A Syracuse to make room for Senga on the active roster.
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Mets' Kodai Senga: Rejoining rotation Tuesday
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Mets manager Carlos Mendoza said Monday that Senga (spine/arm) will start Tuesday's game in Cincinnati, Chelsea Janes of SNY.tv reports.
He had been slated to make one more rehab start, but Christian Scott's (hip) move to the injured list Monday has prompted the Mets to bring Senga back earlier than they originally planned. Senga first went on the injured list in late April with lumbar spine inflammation and later had his rehab assignment briefly stalled because of ulnar nerve irritation in his right arm. However, he resumed his rehab assignment with Double-A Binghamton last Thursday and allowed just one earned run over six innings. Senga threw 75 pitches in that start, so he'll be close to fully stretched out against the Reds. The 33-year-old registered a 9.00 ERA and 1.95 WHIP over 20 innings in his five starts with the Mets earlier this season.
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Mets' Kodai Senga: Needs another rehab start
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Mets manager Carlos Mendoza said Friday that Senga (spine/arm) will require at least one more minor-league rehab start before the organization considers activating him from the 15-day injured list, Anthony DiComo of MLB.com reports.
The right-hander had his rehab outing pushed back early this week due to ulnar nerve irritation in his right arm, but he was able to take the mound with Double-A Binghamton on Thursday and gave up just one run across six innings. Senga built up to 75 pitches in that start, so he's already most of the way to a full starting workload and could re-enter the Mets rotation with another solid showing in the minor leagues.
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Mets' Kodai Senga: Third rehab start coming Wednesday
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Senga (spine) is slated to make the third start of his rehab assignment Wednesday with Triple-A Syracuse, Mike Puma of the New York Post reports.
Senga will aim to throw around 85 pitches Wednesday after tossing 3.2 innings and 80 pitches in his most recent appearance for Syracuse last Thursday. Senga has recorded a 5.14 ERA, 1.57 WHIP and 7:3 K:BB across seven innings between his first two rehab outings with Single-A St. Lucie and Syracuse, but if he shows improved results Wednesday, the 33-year-old could be cleared to make his next start in the big leagues. Senga has been on the shelf since April 28 due to lumbar spine inflammation.
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Mets' Kodai Senga: Tosses 63 pitches in rehab start
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Senga (back) gave up two earned runs on four hits and a walk over 3.1 innings in a rehab start for Single-A St. Lucie on Friday. He struck out two.
While the right-hander's line in the box score wasn't particularly impressive, Senga built up to 63 pitches (36 strikes) in his first rehab start, suggesting his return isn't far away. He landed on the 15-day injured list after a rough stretch to end April, coughing up 16 earned runs in just 8.1 innings over his last three big-league outings. If he needs only one more rehab start, Senga could be in line to rejoin the Mets rotation during the club's first series of June in Seattle.
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Mets' Kodai Senga: Faces hitters over weekend
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Senga (back) threw a multi-inning live-batting practice session Sunday, MLB.com reports.
Senga flew to the Mets' facility in Florida to take the next step forward in his recovery process for lumbar spine inflammation, which sent him to the injured list April 28. According to the report, Senga won't advance to game action "until his pitch metrics are in the place that he wants," so he may be more than a week away from beginning a minor-league rehab assignment. Senga had struggled to a 9.00 ERA and 1.95 WHIP over 20 innings in his five starts with the Mets prior to landing on the shelf.
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Mets' Kodai Senga: Advances to mound work
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Senga (back) completed a bullpen session Sunday, Laura Albanese of Newsday reports.
Senga appears to have responded well since receiving an epidural to treat his lumbar spine inflammation, which forced him to the injured list April 28. He was able to start throwing again Wednesday, nine days after receiving the injection. Senga has now taken another step forward by getting back on a mound, but he'll still need to face hitters in live batting practice and then likely complete a minor-league rehab assignment before returning from the 15-day injured list. Senga had posted a 9.00 ERA and 1.95 WHIP in five starts prior to landing on the shelf and may not be assured a rotation spot once he's activated.
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Mets' Kodai Senga: Lands on injured list
Rotowire
The Mets placed Senga on the 15-day injured list Tuesday due to lumbar spine inflammation.
The right-hander has begun the season 0-4 with a 9.00 ERA through his first five starts, and he lasted just 2.2 frames during his most recent outing Sunday versus Colorado. According to Laura Albanese of Newsday, Senga received an epidural and will be shut down from throwing for at least 7-to-10 days. Once healthy and built back up, the Mets are likely to send Senga on what could be a lengthy rehab assignment to try and get him back on track. Christian Scott is poised to claim the open rotation spot after being recalled from Triple-A Syracuse.
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Mets' Kodai Senga: Remains winless
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Senga (0-4) took the loss in the second game of Sunday's doubleheader versus the Rockies. He allowed three runs on three hits and three walks while striking out one over 2.2 innings.
Senga was pulled in the third inning. He allowed a two-run home run to Hunter Goodman in that frame and put more traffic on the bases before Carl Edwards was brought in for mop-up duty. Senga landed 30 of 50 pitches for strikes in this outing, but he continues to struggle -- this was his third straight start that lasted less than four innings, and he's given up five homers in that span. For the season, he has a 9.00 ERA, 1.95 WHIP and 23:13 K:BB across 20 innings over five starts. Senga is tentatively projected to make his next start against the Angels, but it's unclear how much longer the Mets will tolerate his struggles on the mound, as it already looks like he's operating on a short leash.
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Mets' Kodai Senga: Starting nightcap Sunday
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Senga will start the second game of Sunday's doubleheader versus Colorado, Mike Puma of the New York Post reports.
Senga was originally scheduled to start Saturday, but the game was postponed due to rain. Fantasy managers in weekly leagues who have Senga in their lineup won't lose a start, however, as the right-hander is slated to pitch in the second game of a doubleheader Sunday. Nolan McLean will make his regularly scheduled start in the matinee.
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Mets' Christian Scott: Knocking on door for promotion
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Scott has posted a 1.74 ERA, 0.58 WHIP and 12:2 K:BB in 10.1 innings over his last two starts for Triple-A Syracuse.
In his most recent outing Wednesday, the 26-year-old right-hander fired 50 of 82 pitches for strikes but lost a showdown with top Yankees prospect Elmer Rodriguez. Scott got tagged for six runs in 3.1 innings in his season debut after sitting out all of 2025 while recovering from elbow surgery, but his quick turnaround coincides with the struggles of David Peterson and Kodai Senga in the Mets' big-league rotation. If New York elects to shake things up after a 7-13 start to the campaign, Scott is a likely candidate to get a promotion.
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Mets' Kodai Senga: Strikes out seven more Sunday
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Senga (0-1) didn't factor into the decision Sunday against the Giants, allowing two runs on five hits and two walks with seven strikeouts across 5.2 innings.
Senga was flawless through five innings, allowing two hits and two walks, and held a 1-0 lead going into the bottom of the sixth. The wheels then fell off a bit for the right-hander, as he surrendered two runs on three hits before being pulled in favor of Huascar Brazoban. Senga's stuff again looked good Sunday, and he now owns a 3.09 ERA and 16:5 K:BB across 11.2 innings. Senga is slated to take the mound for his third start Saturday at home against the Athletics.
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Mets' Kodai Senga: Strikes out nine in first start
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Senga (0-1) took the loss against the Cardinals on Tuesday, allowing two runs on four hits and three walks while striking out nine across six innings.
Senga's stuff looked good, and his increased fastball velocity carried over from the spring. After sitting at 94.7 mph with his fastball last season, Senga's four-seamer averaged 97.4 mph against St. Louis on Tuesday. He also generated 17 whiffs on 92 total pitches, but walks remained an issue for the right-hander after he walked 4.4 batters per nine innings in 2025. The third inning proved to be the difference for Senga on Tuesday, as he gave up three straight hits to begin the frame, including a two-run double to Ivan Herrera. Senga retired 12 of the final 14 he faced. Senga's next start is scheduled for Sunday against the Giants in San Francisco.
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Mets' Kodai Senga: Shows off velocity Saturday
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Senga gave up two runs on three hits over 2.2 innings during Saturday's Grapefruit League game against the Cardinals. He struck out two without walking a batter.
The two runs came on solo shots, one by top prospect Joshua Baez, but Senga was consistently topping 97 mph with his fastball and hit 98.9 mph on a four-seamer to Alec Burleson. That's a huge improvement on 2025, when he averaged just 94.7 mph with the pitch. The 33-year-old right-hander credited some mechanical tweaks for the improved velocity, per Chuck King of MLB.com. "My body is different from where it was three years ago now, so I'm not really trying to get back to that," Senga said after Saturday's start. "It's a new me, and I'm trying to find new mechanics." If Senga's new-found life on his fastball holds into the regular season, he could return to the level of performance he showed in his first MLB season in 2023, when he posted a 2.98 ERA, 1.22 WHIP and 202:77 K:BB in 166.1 regular-season innings.
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Mets' Kodai Senga: Reaches 97 mph in live BP
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Mets manager Carlos Mendoza said Thursday that Senga hit 97 mph in a live batting practice session Thursday, Anthony DiComo of MLB.com reports.
Senga averaged 95.7 mph with his four-seamer in his rookie season and 94.7 mph with the pitch in 2025, so topping out at 97 mph already in camp seems like a good sign. The 33-year-old posted a 3.02 ERA in 22 outings for the Mets last season, but his strikeout rate dipped to 22.6 percent and he finished the year in the minors after a rough stretch. If healthy, Senga should open 2026 in the Mets' rotation.
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Mets' Kodai Senga: Looking good early in camp
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Senga appears to be further ahead of other Mets pitchers in camp and has already been hitting 92 mph with his fastball, Anthony DiComo of MLB.com reports.
Having Senga healthy and effective would be a huge boost to the rotation, but the 33-year-old right-hander has a lot to prove in 2026. He began last season with a brilliant 1.47 ERA, 1.11 WHIP and 70:31 K:BB through his first 13 starts and 73.2 innings, but after landing on the IL due to a hamstring injury in mid-June, Senga couldn't put things back together. He posted a 5.90 ERA, 1.69 WHIP and 39:24 K:BB over his final nine outings and 39.2 innings after being activated from the IL before spending September trying to correct his mechanics at Triple-A Syracuse even with the Mets trying to make a playoff push. If Senga can rediscover his early 2025 form, or his form from 2023, he would give New York a true top-of-the-rotation presence alongside Freddy Peralta.
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Mets' Kodai Senga: Slated for another Triple-A start
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Senga is expected to make another start at Triple-A Syracuse during the upcoming week, Will Sammon and Tim Britton of The Athletic report.
After accepting a demotion to the minors Sept. 5 following a string of poor outings, Senga shined in his first start with Syracuse this past Friday, striking out eight batters over six innings while allowing one earned run on three hits and no walks. Unless the Mets place a player on a reserve list and recall Senga in a corresponding move, however, the right-hander won't be eligible to join the big club until Sept. 20. With that in mind, he'll stick around at Triple-A and will presumably stay on his typical five days' rest schedule to make his next start Thursday. If all goes well in that outing, Senga will likely rejoin the Mets for the final week of the regular season, but his exact role remains in flux. The Mets are already planning on using Sean Manaea in a piggyback role behind starter Clay Holmes on Tuesday against the Padres as the team transitions from a six-man rotation to a five-man setup during the upcoming week, and Senga could be deployed in a similar capacity as Manaea upon his return to the big club. Rookie Jonah Tong has struggled with both his command and control in his last two starts and may benefit from being used in a tandem when Senga is recalled, if Senga doesn't replace Tong in the rotation outright.
