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.
Shines in win over Dodgers
PNew York Mets
May 24, 2025
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.
ANALYSIS
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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Pitching Stats
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2025
2024
2023
2022
2021
2020
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2024 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
95
Last 10 Games
95
Last 5 Games
98
How many pitches does David Peterson generally throw?
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
What part of the game does David Peterson generally pitch?
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2023
 
 
-13%
BAA vs LHP
2025
 
 
-40%
BAA vs LHP
2024
 
 
-13%
BAA vs LHP
2023
 
 
-2%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .232 303 90 19 64 6 1 8
Since 2023vs Right .268 946 193 99 222 46 4 20
2025vs Left .157 58 17 4 8 2 0 0
2025vs Right .262 189 37 18 44 11 0 4
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
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2023
 
 
-30%
ERA at Home
2025
 
 
-10%
ERA on Road
2024
 
 
-22%
ERA on Road
2023
 
 
-63%
ERA at Home
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2023Home 3.01 1.38 140.1 8 4 0 9.4 3.8 0.6
Since 2023Away 4.33 1.41 149.2 8 9 0 8.2 3.5 1.1
2025Home 2.91 1.29 34.0 2 0 0 7.9 2.9 0.3
2025Away 2.63 1.25 24.0 1 2 0 9.0 4.1 1.1
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
More Splits View More Split Stats
Stat Review
How does David Peterson compare to other starting pitchers?
This section compares his stats with all starting pitcher seasons from the previous three seasons (minimum 120 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
2.45
 
K/9
8.4
 
BB/9
3.4
 
HR/9
0.6
 
Fastball
91.9 mph
 
ERA
2.79
 
WHIP
1.28
 
BABIP
.305
 
GB/FB
3.17
 
Left On Base
77.5%
 
Exit Velocity
81.9 mph
 
Barrels/BBE
2.2%
 
Spin Rate
2092 rpm
 
Balls Hit 95+ MPH
27.4%
 
Swinging Strike
10.0%
 
Prospect Rankings History
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Defensive Stats
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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
Quality start against NYY
PNew York Mets
May 18, 2025
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.
ANALYSIS
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Strikes out seven in no-decision
PNew York Mets
May 12, 2025
Peterson did not factor into the decision Monday against the Pirates, allowing two runs on five hits and three walks while striking out seven across six innings.
ANALYSIS
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Allows four runs in loss
PNew York Mets
May 6, 2025
Peterson (2-2) took the loss Tuesday versus the Diamondbacks, allowing four runs on five hits and four walks while striking out six over six innings.
ANALYSIS
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Grabs easy win Tuesday
PNew York Mets
April 30, 2025
Peterson (2-1) got the win over the Diamondbacks on Tuesday, allowing one run on five hits while striking out two over five innings. He did not walk a batter.
ANALYSIS
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No-decision Wednesday
PNew York Mets
April 23, 2025
Peterson didn't factor into the decision Wednesday against the Phillies, allowing two runs on eight hits and a walk across 5.1 innings. He struck out two.
ANALYSIS
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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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