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
Rotowire
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.
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.
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.
Mets' David Peterson: Can't capitalize on early lead
Rotowire
Peterson pitched 3.1 innings in a no-decision against Atlanta on Wednesday, allowing six runs on five hits and five walks while striking out five batters.
The Mets staked Peterson to a 6-0 lead through two innings, but it didn't take long for the lefty to give all those runs back. He got through three scoreless frames before completely imploding in the fourth, allowing six of the seven batters he faced in that inning to reach base, including four by walk. All six of those hitters came around to score, resulting in a season-worst run total by Peterson. The five free passes also tied a season-high mark, and the 3.1 frames were the fewest Peterson has completed in an outing this year. After giving up two or fewer runs in five consecutive starts from July 3 to Aug. 1, Peterson has now yielded 10 earned runs over 9.1 innings across his past two appearances.
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Mets' David Peterson: Fans seven in Wednesday's loss
Rotowire
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: Logs quality start in no-decision
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Peterson did not factor into the decision in Friday's 4-3 extra-inning loss to the Giants, allowing two runs on four hits and two walks with four strikeouts over six innings.
Peterson allowed two runs in the second inning but was otherwise strong, throwing 63 of 97 pitches for strikes and limiting the Giants to just one extra-base hit. The 29-year-old has now delivered five straight quality starts, yielding just five earned runs over 31.2 innings during that stretch. He'll take an impressive 2.83 ERA, 1.24 WHIP and 105:43 K:BB across 127 frames into a home matchup with the Guardians next week.
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.
Mets' David Peterson: No decision despite quality start
Rotowire
Peterson did not factor in the decision during Sunday's win over the Reds. He allowed an unearned run on four hits and a walk over six innings while striking out four.
Peterson gave up an unearned run in the first inning but settled in and rolled through five scoreless frames to finish his outing. He forced 12 swinging strikes on 93 total pitches, including six with his slider. Peterson has delivered three straight quality starts in July after coughing up a combined 10 runs in 8.2 innings during his last two June appearances. He ended June with a 3.30 ERA and has since dropped it to 2.90 alongside a 97:38 K:BB through 115 frames. Peterson is lined up for a start in San Francisco next weekend.
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