David Peterson
Breakdown
Performance
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April 14, 2026
Continues to struggle
Peterson (0-3) took the loss against the Dodgers on Monday, allowing four runs on five hits and four walks while striking out seven batters over five innings.
Analysis
Though his stat line was far from pretty, things could have been much worse for Peterson -- he opened the game by allowing four straight batters to reach base and was down 1-0 with the bases loaded and no outs. The lefty managed to escape the jam by striking out the final three batters he faced in the frame, but he couldn't pull off another magic act in the third, when he served up a three-run homer to Andy Pages. Peterson promisingly fanned a season-high seven batters, but he also issued a season-high four walks and threw only 55 of 89 pitches for strikes. He's now 0-3 on the campaign and holds an unattractive 6.41 ERA, 1.83 WHIP and 21:10 K:BB over 19.2 innings spanning four starts.
April 9, 2026
Allows five runs in loss
Peterson (0-2) was tagged with the loss Wednesday against the Diamondbacks after allowing five runs on six hits and two walks across five innings. He struck out six.
Analysis
Peterson opened the season with 5.1 scoreless innings against the Pirates on March 28, but the wheels have fallen off completely in the last two starts. He's given up 11 runs (10 earned) on 15 hits and four walks while striking out 11 across 9.1 innings. It's too early to say if his spot in the rotation is at risk, but the left-hander naturally can't afford many more stumbles. Peterson's next start won't be any easier, as he's tentatively lined up to face the Dodgers on the road next week.