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2023 Pitcher Power Rankings – End of April

Welcome back to Pitcher Power Rankings! I haven’t done this exercise in the context of an article in quite some time (though I have been putting the leaderboard on Twitter periodically). The end of April, the season’s first full month, seemed a logical time to restart this article series.

To describe how this works, Pitcher Power Rankings is a formulaic ranking of every pitcher to appear in the 2023 season. Starting pitchers and relief pitchers, as well as those in a swing role, are all ranked together. These rankings are based only on performance in the 2023 season, not performance in prior years, and not projected 2023 performance going forward.

The formula used consists of park-adjusted run prevention and estimated run prevention metrics, as well as faster stabilizing pitch-by-pitch data, and volume of innings. The formula’s results are converted to a Score scale where 100.0 is a perfect Score, with the top pitcher for a full season usually posting a Score between 75.0 and 85.0.

Author’s Note: All statistics entering play on 1 May.

RankNameTeamScore2022 Rank
1Zac GallenARI76.415
2Gerrit ColeNYY70.211
3Spencer StriderATL65.412
4Kevin GausmanTOR64.914
5Jacob deGromTEX64.250
6Sonny GrayMIN63.759
7Clayton KershawLAD63.518
8Shane McClanahanTBR54.67
9Luis CastilloSEA52.532
10Nathan EovaldiTEX52.0149
11Shohei OhtaniLAA50.64
12Justin SteeleCHC47.374
13Joe RyanMIN44.7108
14Hunter BrownHOU43.1237
15Jeffrey SpringsTBR41.633
16Logan WebbSFG41.116
17Pablo LópezMIN40.843
18Eduardo RodriguezDET40.7445
19Zack WheelerPHI40.525
20Framber ValdezHOU40.313
21Alex CobbSFG39.831
22Hunter GreeneCIN38.6112
23Matt StrahmPHI36.8253
24Jordan MontgomerySTL36.742
25Mitch KellerPIT36.3143
26José AlvaradoPHI36.299
27Marcus StromanCHC35.964
28MacKenzie GoreWSN34.9429
29Max FriedATL34.69
30Alex YoungCIN34.3293

Sean Huff

Sean is an applied psychology graduate student in his third semester at Fordham College of Arts and Sciences. He is a lifelong baseball fan with a nominal affinity for the Phillies. You can follow him on Twitter at @srhkthew2 for occasional comments on baseball and assorted esoterica.

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