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2023 Pitcher Power Rankings – First Half

Welcome back to Pitcher Power Rankings! I haven’t put out a leaderboard for this metric in a while, despite publishing a top 30 at the end of May. The season’s midway break presents a chance to update the list and see who has moved significantly.

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 70.0 and 85.0.

RankNameTeamScoreMay Rank
1Kevin GausmanTOR72.56
2Spencer StriderATL72.31
3Logan WebbSFG71.05
4Zac GallenARI67.64
5Framber ValdezHOU64.97
6Mitch KellerPIT60.43
7Zach EflinTBR60.318
8Nathan EovaldiTEX59.92
9Jesús LuzardoMIA59.733
10Pablo LópezMIN58.128
11Clayton KershawLAD55.714
12Gerrit ColeNYY55.622
13Joe RyanMIN51.410
14Marcus StromanCHC51.217
15Zack WheelerPHI50.915
16Blake SnellSDP50.8351
17Luis CastilloSEA50.813
18Sonny GrayMIN50.69
19Justin SteeleCHC48.016
20Shohei OhtaniLAA47.211
21George KirbySEA47.020
22Alex CobbSFG46.729
23Shane McClanahanTBR46.08
24Braxton GarrettMIA45.383
25Félix BautistaBAL45.230
26Aaron NolaPHI45.149
27Logan GilbertSEA44.723
28Jordan MontgomerySTL43.3117
29Hunter BrownHOU40.819
30Charlie MortonATL40.744

Featured Image: Baseball Reference / Twitter

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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