Peterson allowed five runs on five hits and two walks while striking out one batter in 1.1 innings Tuesday against the Cubs. He did not factor into the decision.
Peterson continued his stretch of horrendous starts in Tuesday's outing. In nine starts dating back to Aug. 6, Peterson has allowed at least four runs in six of them and has an 8.42 ERA and 1.78 WHIP over that span. The Cubs strung together a pair of runs in the first and another three in the second, forcing a quick hook for Peterson after he threw just 42 pitches (22 strikes). Manager Carlos Mendoza mentioned afterward that Peterson could play a big role for the remaining five games of the regular season, potentially pitching out of the bullpen. As of now, Peterson is lined up to start Sunday against the Nationals, though that would change if he's used in relief in advance of that game.
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Mets' David Peterson: Falls to San Diego
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Peterson (9-6) took the loss Wednesday against the Padres, surrendering six runs on six hits and three walks while striking out one over five innings.
The left-hander kept things close early but imploded in the fifth, when he issued two walks and allowed a bunt single to load the bases before Manny Machado cleared them with a grand slam. Peterson has struggled mightily since the beginning of August, posting a 6.99 ERA across nine outings (46.1 innings) and recording only two quality starts during that stretch. The 30-year-old is slated to face the Cubs in his next outing.
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Mets' David Peterson: Mixed results in no-decision
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Peterson didn't factor into the decision Thursday against the Phillies, allowing three runs on seven hits and one walk in five innings. He struck out eight.
While Peterson remains without a quality start since Aug. 19 in Washington, he's now fanned at least eight in three of his last five outings. The All-Star southpaw pounded the zone for 61 strikes among his 86 pitches Thursday while generating 19 whiffs, though he did serve up his first homer since Aug. 6 against Cleveland. Peterson will bring a respectable 3.77 ERA, 1.32 WHIP and 148:60 K:BB across 162.1 innings into his next appearance, which is tentatively scheduled to come against the Padres.
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Mets' David Peterson: Battles for ninth win
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Peterson (9-5) earned the win against the Reds on Friday, allowing four runs on seven hits and one walk with four strikeouts over 5.1 innings.
Peterson was mostly burned by a three-run fourth inning, but he threw 62 of 91 pitches for strikes and was backed by a strong effort from the Mets' bullpen. While it was a step forward after his season-worst outing Saturday, the southpaw has now allowed at least four earned runs in four of his past six starts. He'll take a 3.72 ERA, 1.32 WHIP and 140:59 K:BB across 157.1 innings into a pivotal road matchup with the Phillies next week.
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Mets' David Peterson: Hammered early in no-decision
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Peterson did not factor into the decision in Saturday's 11-8 loss to the Marlins, allowing eight runs on eight hits and three walks with one strikeout over two-plus innings.
Peterson was tagged for five runs in the first inning and three more without recording an out in the third, finishing with just 36 strikes on 65 pitches. It marked the southpaw's shortest and roughest outing of the season, and he's now allowed at least four earned runs in three of his past five starts. For the year, he carries a 3.61 ERA, 1.31 WHIP and 136:58 K:BB across 152 innings and will try to rebound in a road matchup with the Reds next weekend.
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Mets' David Peterson: Stumbles late in no-decision
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Peterson did not factor into the decision in Sunday's 4-3 loss to Atlanta, allowing two runs on five hits and four walks with eight strikeouts over 5.2 innings.
Peterson cruised through five innings before allowing four baserunners and two runs in the sixth. The southpaw piled up 20 whiffs on 98 pitches and has now delivered back-to-back solid outings after being tagged for six runs by Atlanta on Aug. 13. He'll take a 3.18 ERA, 1.25 WHIP and 135:55 K:BB across 150 innings into a home matchup with the Marlins next weekend.
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Mets' David Peterson: Shuts down Nats
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Peterson (8-5) picked up the win Tuesday against Washington, allowing one run on four hits and one walk across eight innings. He struck out 10.
Peterson rebounded from his worst start of the season, as he allowed six runs and issued five walks in 3.1 innings against Atlanta in his previous outing. The 29-year-old left-hander set a season high in strikeouts and completed eight innings for the second time all year. Peterson owns a 3.18 ERA and 127:51 K:BB across 144.1 innings this season, and he's tentatively scheduled to close out a two-start week Sunday against Atlanta.
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Mets' David Peterson: Fans seven in Wednesday's loss
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Peterson (7-5) took the loss Wednesday, giving up four runs on five hits and two walks over six innings as the Mets fell 4-1 to the Guardians. He struck out seven.
The southpaw didn't pitch all that poorly, tossing 58 of 89 pitches for strikes, but the New York offense didn't get its first hit until the ninth inning, while Peterson served up homers to David Fry and Angel Martinez. Peterson has worked at least six innings in six straight outings, posting a 2.15 ERA, 1.11 WHIP and 29:11 K:BB over 37.2 innings during that span. He'll look to get back in the win column in his next start, which is scheduled to come at home next week against Atlanta.
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Mets' David Peterson: Delivers six strong frames
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Peterson (7-4) earned the win Saturday, allowing one run on eight hits and three walks over six innings against the Giants. He struck out four.
The southpaw navigated traffic on the basepaths Saturday but limited the damage to just one run, picking up the win thanks to a two-RBI double by Mark Vientos in the top of the sixth inning. Peterson has consistently gotten the job done this season, logging 121 innings over 20 starts with a 2.83 ERA and 1.25 WHIP. His fastball velocity is down to a career-low 91.7 mph, but he's offset that with a personal best 3.0 BB/9. His 2025 numbers closely mirror his 2024 production, when he posted a 2.90 ERA and 1.29 WHIP across 121 innings in 21 regular-season starts.
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Mets' David Peterson: Impressive in no-decision
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Peterson didn't factor into the decision in the opening game of Thursday's doubleheader with the Orioles, allowing one run on five hits over seven innings. He struck out six.
Peterson was excellent Thursday, holding the O's scoreless through his first seven innings. However, he'd depart after allowing a leadoff single in the eighth to Colton Cowser, who'd ultimately score the tying run after the Mets turned to the bullpen. The 29-year-old Peterson has allowed just two earned runs over 13.2 innings in his last two starts after giving up 10 runs across 8.2 innings in his previous two outings. Overall, the left-hander is 6-4 with a 3.06 ERA, 1.24 WHIP and 93:37 K:BB through 18 starts (109 innings) this season.
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Mets' David Peterson: NYM-BAL postponed
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Peterson and the Mets won't face the Orioles on Wednesday, as the game was postponed due to rain.
The two clubs will play a doubleheader Thursday to make up for Wednesday's contest, and Peterson will take the mound to start the early game, per Laura Albanese of Newsday.
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Mets' David Peterson: Rebounds for sixth win
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Peterson (6-4) earned the win Thursday over the Brewers, allowing two runs (one earned) on five hits and three walks over 6.2 innings. He struck out four.
It was a strong bounce-back performance from Peterson, who'd given up 10 runs over 8.2 innings in his previous two starts. The left-hander lowered his ERA to 3.18 with a 1.27 WHIP and 87:37 K:BB over 17 starts (102 innings) this season. Peterson is currently lined up to face the Orioles on the road in his next outing.
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Mets' David Peterson: Gives up five runs in loss
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Peterson (5-4) took the loss against the Pirates on Friday, allowing five runs on seven hits and three walks while striking out five across 4.2 innings.
Peterson yielded four of his five runs in the second inning, with the Pirates driving in runs in four consecutive plate appearances, and he didn't get enough run support to escape with the no-decision. Peterson strung together seven quality starts in eight outings after the beginning of May, but he has given up five earned runs in back-to-back appearances, which has inflated his numbers to a 3.30 ERA, 1.28 WHIP and 83:34 K:BB across 95.1 innings. He'll look to get back on track in his next start, which is lined up for next week at home against the Brewers.
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Mets' David Peterson: Hit hard by Phillies
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Peterson (5-3) took the loss Sunday against Philadelphia, allowing five runs on six hits and three walks over four innings. He struck out four.
Peterson hadn't allowed a home run in his past six starts, but he yielded a pair of round trippers Sunday. Both homers came in the fourth frame on a solo shot from Kyle Schwarber and a three-run homer from Edmundo Sosa. Peterson's loss was his first since May 6. On the year, Peterson owns a 2.98 ERA to go along with a 78:31 K:BB across 90.2 innings.
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Mets' David Peterson: Delivers quality start
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Peterson did not factor in the decision during Tuesday's loss against Atlanta. He allowed three runs on five hits and three walks while striking out three over seven-plus innings.
Peterson gave up one run through seven frames and came out for the eighth inning. He put two runners on base without recording an out and was charged with both runs after Marcell Ozuna's three-run double. Peterson has given up three or fewer runs in seven straight outings, turning in six quality starts during that stretch. His 2.23 ERA over that seven-start span has lowered his season mark to 2.60 across 86.2 frames. Peterson's next outing is lined up to be in Philadelphia this weekend.
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Mets' David Peterson: Pitches first career shutout
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Peterson (5-2) tallied the win Wednesday against the Nationals after giving up six hits and no walks in nine scoreless innings. He struck out six.
Peterson was brilliant in his first career shutout, keeping Washington off balance with a staggering 13 groundouts while also producing his first scoreless start of the season altogether. It was also just the fourth time this year that the 29-year-old left-hander didn't lend a free pass, and he's now hurled at least six frames in six of his last seven outings. Peterson sports a 2.49 ERA, 1.19 WHIP and 71:25 K:BB across 79.2 innings, and he's scheduled to toe the slab in a tough road matchup against Atlanta next week.
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Mets' David Peterson: Allows three runs in no-decision
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Peterson didn't factor into the decision Thursday after allowing three runs on seven hits and two walks while striking out six in seven innings during a 6-5 loss to the Dodgers.
Peterson continues to pitch well in 2025, with the three earned runs given up Thursday tying his season high through 12 outings. He's been up to the challenge in his two starts against the Dodgers with five runs allowed across 14.2 innings. The 29-year-old has thrown at least six innings in five of his last six starts and sports a 2.58 ERA over that timeframe. Peterson is next slated to start at home against the Nationals next week.
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Mets' David Peterson: Earns fourth win
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Peterson (4-2) earned the win against the Rockies on Friday, allowing one run on five hits and one walk while striking out five across 5.2 innings.
Peterson faced the minimum number of batters in two of the first five innings of Friday's game. He was brought back out for the sixth, but he was lifted after yielding an RBI double to Ryan McMahon. Peterson was one out shy from what would have been his fifth straight quality start (and seventh of the season), but regardless he received enough run support to come away with the win. The 29-year-old southpaw hasn't given up more than three earned runs in any of his 11 starts this season, and his 2.69 ERA (across 63.2 innings) is sixth best among qualified starters in the National League this season. He is slated to make his next start on the road against the Dodgers next week.
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Mets' David Peterson: Shines in win over Dodgers
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Peterson (3-2) earned the victory over the Dodgers on Saturday, allowing two runs on five hits and two walks while striking out seven batters over 7.2 innings.
Peterson fell behind 2-0 in the second inning but didn't give up another run for the remainder of his outing. The southpaw completed a season-high 7.2 frames (in fact, this was the first time all year he's pitched more than six innings) and recorded his fourth straight quality start. Peterson's past two outings have been particularly impressive given the quality of opponent -- he's yielded just three earned runs over 13.2 frames versus the Yankees and Dodgers. The veteran hurler has been a key part of the Mets' rotation this year, posting a 2.79 ERA, 1.28 WHIP and 54:22 K:BB through 58 innings. Peterson's next start is projected to be much less intimidating on paper than his past two, as he's lined up to face the Rockies at home next weekend.
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Mets' David Peterson: Quality start against NYY
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Peterson didn't factor into the decision during Sunday's loss to the Yankees, allowing two runs (one earned) on three hits and four walks across six innings. He struck out four.
Peterson started slowly, with leadoff hitter Paul Goldschmidt reaching on a throwing error in the first inning before back-to-back doubles by Aaron Judge and Cody Bellinger yielded a pair of runs. The 29-year-old southpaw kept the Yankees from adding any more runs, but his efforts weren't enough to land a victory. Peterson has now logged three consecutive quality starts, though he's walked 11 batters in 18.0 innings during that stretch. On the year, Peterson has a 2.86 ERA over 50.1 innings. He's lined up to face the Dodgers next weekend.
