MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Craig Kimbrel
Craig Kimbrel
KC · P
Change to
Ray Kerr
ATL · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 0–0, 4 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

Craig Kimbrel wins 0 (none); Ray Kerr wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Craig Kimbrel
93.6
Ray Kerr
94.9
Swinging-Strike %lg 11.0% · higher = better
Craig Kimbrel
11.1%
Ray Kerr
12.3%
Strikeout %lg 22.0% · higher = better
Craig Kimbrel
20.4%
Ray Kerr
16.7%
Chase %lg 28.5% · higher = better
Craig Kimbrel
28.7%
Ray Kerr
35.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Craig Kimbrel
36.6%
Ray Kerr
31.4%
Barrel % Allowedlg 8.0% · lower = better
Craig Kimbrel
5.3%
Ray Kerr
5.9%
xwOBA Allowedlg .315 · lower = better
Craig Kimbrel
.316
Ray Kerr
.281
stabilized — trust it · small sample yet · dashed = league avg · right = better
05

The tape

Rest-of-season projection · bold = leads
rest-of-season projection current season projection range
Rate · earned-run quality
ERAlower is better
Craig Kimbrel
27.88
lg xERA 4.10
now 5.63
3.70
Ray Kerr
27.88
lg xERA 4.10
now 0.00
3.70
WHIPlower is better
Craig Kimbrel
.9001.72
now 1.44
1.24
Ray Kerr
.9001.72
now 0.75
1.24

Volume · rest of season
Strikeoutshigher is better
Craig Kimbrel
4023.80
now 17
0
Ray Kerr
4023.80
now 0
0
Winshigher is better
Craig Kimbrel
.000.480
now 0
0–0
Ray Kerr
.000.480
now 0
0–0

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Hold · wait & seeCraig Kimbrel — hold.conf 0.50
Sell HighRay Kerr — sell high. His value is peaking; good time to trade him.conf 0.95
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