RELIEVERS: 2023 K%-BB% leaders to date

K%-BB% is the best metric for determining who can give you low xERA and WHIP among relievers. Let's see how the 2023 leaders are faring:

YTD                     Sv  IP  xERA WHIP K% K%-BB% hr/9
====================    == ==== ==== ==== == ====== ==== 
F.Bautista (BAL)        32 58.3 2.41 0.96 48   36    0.6
A.Chapman (TEX) (L)      3 45.3 2.25 1.10 45   32    0.2
J.Alvarado (PHI) (L)     6 26.0 2.44 1.15 36   28    0.7
A.J.Puk (MIA) (L)       15 40.3 3.20 1.19 33   28    1.6
M.Brash (SEA)            4 54.3 2.87 1.34 37   28    0.3
J.Hader (SD) (L)        27 43.7 3.14 0.92 40   27    0.2
R.Iglesias (ATL)        24 39.7 3.01 1.08 33   27    0.9
D.Williams (MIL)        30 47.3 2.86 0.95 37   26    0.6

This is an elite group. Half are...

Almost!

You’re just a few clicks away from accessing this feature and hundreds more throughout the year that have a singular goal in mind: Winning your league. Subscribe to BaseballHQ.com here!

Already a subscriber? Sign in here

More From Relief Pitchers

Teams are moving relievers and this column has early impacts, starting with Paul Sewald's demotion and the Mets trade A.J. Minter (LHP, MIN) to the surging Twins.
Aug 2 2026 3:07am
Skills always matter. Here are five more pens as we head towards August.
Jul 26 2026 3:05am
Buyers and sellers at the deadline always disrupt bullpens. Here are some potential teams to watch.
Jul 19 2026 3:06am
The relievers in this article are the ones most likely to have 20 or more holds at the end of the season.
Jul 12 2026 3:06am
This column examines the RPs who have at least a 20% K%-BB%, no more than a 1.0 HR/9, and no more than a 3.50 xERA as of July 1.
Jul 5 2026 3:09am

Tools