BR has OPSA buried on the splits page, and fangraphs doesn't list it anywhere.
If we use it so much to place value on batter, it makes sense that the same stat would be good for placing value on pitchers.
It's also good for SP'ers and RP'ers where ERA drops the ball w RP'er, and SP'ers are charged with ERs that RP'ers allow to score after they leave.
Here are a few selected OPSA for 2025:
.387 Chapman
.522 Early
.530 Guerrero (almost as many PAs faced as Early)
.543 Whitlock
.569 Bernardino (obviously OPSA means little to Brez)
.580 Slaten
.598 Murphy (See Guerrero & the Bernardino comment)
.617 Crochet
.622 Wink
.647 Weissert
.669 Bello
.685 Giolito
.697 Wilson, .706 Harrison, .713 Dobbins
.779 Fitts, .809 Criswell, .812 Moran
.823 Buehler, .890 Tolle, .920 Houck
.949 Hicks
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Available/ Maybe Available?
Peralta .603 (.693 in '24)
P Lopez .622 (.705 in '24)
Bubic .626 (.609 in '24)
Sale .627 (.588 in '24)
M Kelly .661 (.720 in '24)
Ryan .666 (.657 in '24)
Valdez .667 (.610 in '24)
Lodolo .672 (.696 in '24)
R Suarez .679 (.678 in '24)
M King .696 (.642 in '24)
L Castillo .699 (.705)
M Keller .715 (.767)
Singer .718 (.721)
Gray .726 (.677 in '24)
Gore .728 (.736 in '24)