David Peterson

David Peterson

29-Year-Old PitcherSP
New York Mets
2025 Fantasy Outlook
Peterson didn't make his 2024 debut until late May after recovering from offseason hip surgery. He wound up being a key piece in the rotation for a Mets team that made it to the NLCS, and the left-hander was particularly good down the stretch with a 2.41 ERA, 1.14 WHIP and 58:20 K:BB over 67.1 frames during the final two months of the regular season. Like many pitchers on the Mets staff last season, Peterson embraced the sinker, using it as his fastball of choice for the first time in his career. While he sported a 50.1 percent ground ball rate, Peterson also watched his strikeout rate plummet from 26 percent to 19.8 percent. His velocity was fine, and Peterson can still be quite effective with a high ground ball rate if he can just get the strikeout rate back to even a league-average level. That said, with such a large gap between his xERA (4.59) and actual ERA (2.90), some level of regression from the southpaw looks to be a safe bet. Read Past Outlooks
RANKS
Rest of Season From Preseason
$Signed a one-year contract with the Mets in January of 2025.
Blanks 'Stros on Wednesday
PNew York Mets
March 20, 2025
Peterson gave up two hits and three walks over five scoreless innings in Wednesday's Grapefruit League game against Houston. He struck out four.
ANALYSIS
Peterson continued a stingy spring that has seen him post a 0.57 ERA and 12:7 K:BB through 15.2 innings. The 29-year-old lefty has a rotation spot locked up due to Sean Manaea (oblique) and Frankie Montas (lat) being set to begin the season on the IL, and Peterson is expected to make his first start of 2025 on March 31 in Miami.
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Pitching Stats
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2025
2024
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Left/Right Pitching Splits
Since 2023
 
 
-8%
BAA vs LHP
2025
No Stats
2024
 
 
-13%
BAA vs LHP
2023
 
 
-2%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .249 245 73 15 56 4 1 8
Since 2023vs Right .270 757 156 81 178 35 4 16
2025vs Left 0 0 0 0 0 0 0 0
2025vs Right 0 0 0 0 0 0 0 0
2024vs Left .218 128 38 6 26 1 0 3
2024vs Right .251 382 63 40 84 21 1 5
2023vs Left .283 117 35 9 30 3 1 5
2023vs Right .288 375 93 41 94 14 3 11
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Home/Away Pitching Splits
Since 2023
 
 
-35%
ERA at Home
2025
No Stats
2024
 
 
-22%
ERA on Road
2023
 
 
-63%
ERA at Home
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2023Home 3.05 1.40 106.1 6 4 0 9.8 4.1 0.8
Since 2023Away 4.66 1.44 125.2 7 7 0 8.1 3.4 1.1
2025Home 0 0 0 0 0 0 0 0 0
2025Away 0 0 0 0 0 0 0 0 0
2024Home 3.35 1.43 48.1 4 2 0 9.5 3.7 0.7
2024Away 2.60 1.20 72.2 6 1 0 6.2 3.2 0.5
2023Home 2.79 1.38 58.0 2 2 0 10.1 4.3 0.8
2023Away 7.47 1.77 53.0 1 6 0 10.7 3.7 1.9
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Past Fantasy Outlooks
2024
2023
2021
2020
2019
2018
Peterson was needed for 27 appearances (21 starts) for the Mets last season as the team battled numerous injury issues in their rotation. On the positive side, Peterson struck out 128 batters across his 111 innings, marking the second year in a row he's fanned well over a batter per frame. On the negative side, Peterson also had a walk rate over 10 percent for the second straight year and wound up finishing with an ERA over 5.00. The left-hander underwent left hip surgery in early November and a rough timetable has him returning around June. Pitchers that can miss bats and get groundballs like Peterson are usually ones you want to bet on. The southpaw has yet to throw strikes consistently in the big leagues, though, and isn't necessarily guaranteed a rotation spot once healthy.
Peterson had middling results in 15 starts for the Mets in 2021, but he was much better as a swingman last season with a 3.83 ERA across 105.1 innings. The lefty started in 19 of his 28 appearances and was effective in both roles. He added a tick to his fastball and more heavily mixed in his off-speed pitches, which helped lead to a 27.8 percent strikeout rate. New York is looking to bolster its rotation during the offseason -- whether it's by re-signing Jacob deGrom or bringing in a new face remains to be seen -- but Peterson pitched well last year and should have a chance to lock down a rotation spot during spring training. He has yet to show he can produce consistently year-to-year but is trending toward fantasy utility after a strong 2022.
Marcus Stroman's injury paved the way for Peterson's early promotion from the Mets' alternate training site. He remained in the rotation all year, save for a 10-day stint on the IL with shoulder inflammation and a brief trip to the bullpen. Peterson appeared in 10 games, starting nine while supplying the Mets with much-needed innings. While his 3.44 ERA appears impressive, his 5.26 xFIP and 5.11 SIERA disagree. Peterson benefited from a .233 BABIP, which helped to offset a bloated 11.7 BB%. The lefty's strikeouts have been inconsistent, with last season's 19.5% mark being low in today's landscape. Peterson should have an Opening Day spot in the Mets' revamped rotation. His minor-league history portends an improved walk rate, but he'll need to miss more bats to fend off impending ERA correction. Consider Peterson in formats conducive to streaming as Citi Field is the league's best pitching venue.
In an era where strikeouts are king, Peterson gets it done the old-fashioned way: command, control and groundballs. That said, if he maintains the punchout gains of the past couple of seasons, Peterson has mid-rotation upside. The southpaw sits around 90 mph with his fastball, touching 93. It has good sinking action, helping to record one of the highest groundball rates in the minors. Peterson's slider is his strikeout pitch while he also works in a changeup and curveball. None are dominant, but he throws each for strikes. Peterson spent 2019 with Double-A Binghamton, posting a 4.19 ERA and 1.34 WHIP, giving up 119 hits in 116 innings while fanning 122 with 37 walks and nine homers. The high WHIP is characteristic of a groundball pitcher and should improve with better infield defense. Peterson should open the season with Triple-A Syracuse and could be a candidate for a callup if the Mets need a starter.
Other than a truly elite groundball rate (over 62% as a pro) and a frame (6-foot-6, 240 pounds) that should allow him to chew up innings, there is not a ton to get excited about with Peterson at first glance. The big lefty commands a four-pitch mix, with his heavy, low-90s fastball and above-average slider grading out as his two best offerings. A knee injury cost him a few weeks early in the year, but he still amassed 128 frames. Over his final five starts, he gave up two runs, allowed 21 baserunners and struck out 32 over 29 innings. His groundball rate was also a ridiculous 71% over that stretch. That success in a small sample might mean nothing. After all, he was a 22-year-old southpaw with command and pitchability facing High-A hitters at the end of a long season. However, if he somehow maintains that late-season strikeout rate at Double-A, it would warrant quick action in dynasty leagues, as his ability to generate weak contact is already outstanding.
A big 6-foot-6 southpaw, Peterson has the potential to have three above-average pitches and and above-average command down the road, hinting at a future role as a No. 4 starter. His low-90s fastball isn't much of a bat-misser, but he should excel at generating groundballs. His slider and changeup both have the potential generate whiffs, and while neither is a plus pitch right now, both have a chance to get there. The key for Peterson will be carrying over the excellent control he showed in his junior season at Oregon, where he posted a 1.4 BB/9. Surgery to remove an ingrown toenail limited him to just three starts for a total of just 3.2 innings in his pro debut. He is advanced enough to head to Low-A or High-A this season. If he were to experience a slight uptick in velocity, Peterson's secondaries and command profile could allow him to project as No. 2 or No. 3 starter, but for now his upside appears capped.
More Fantasy News
Dominant in Monday's outing
PNew York Mets
March 5, 2025
Peterson struck out five over three scoreless innings in Monday's Grapefruit League game against the Marlins, giving up one hit without walking a batter.
ANALYSIS
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Agrees to deal with New York
PNew York Mets
January 9, 2025
The Mets and Peterson avoided arbitration by agreeing to a one-year contract Thursday.
ANALYSIS
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Drawing Game 5 start
PNew York Mets
October 17, 2024
Peterson will start Game 5 of the NLCS against the Dodgers on Friday, Pat Ragazzo of SI.com reports.
ANALYSIS
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Tosses gem to earn 10th win
PNew York Mets
September 29, 2024
Peterson (10-3) earned the win Sunday, allowing one hit and three walks over seven scoreless innings against the Brewers. He struck out eight.
ANALYSIS
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New York-Atlanta postponed
PNew York Mets
September 25, 2024
Peterson won't pitch as scheduled Wednesday against Atlanta after the game was postponed due to inclement weather, Joel Sherman of the New York Post reports.
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Latest Fantasy Rumors
Rotation spot likely secured
PNew York Mets
November 9, 2024
Peterson's place in the Mets' starting rotation is likely secure since more than 800 innings from the 2024 pitching staff is no longer on the team, reports Anthony DiComo of MLB.com.
ANALYSIS
New York could still re-sign Jose Quintana, Luis Severino or Sean Manaea -- and the Mets actually extended the qualifying offer to the latter two pitchers -- but the fact remains that Peterson and Kodai Senga are the only two clear-cut rotation pieces that are healthy and currently on the roster. Peterson made 21 starts during the 2024 regular season and had a 2.90 ERA, 1.29 WHIP and 101:46 K:BB across 121 innings.
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