MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Craig Kimbrel
Craig Kimbrel
KC · P
Change to
Zack Kelly
BOS · 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); Zack Kelly 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
Zack Kelly
96.1
Swinging-Strike %lg 11.0% · higher = better
Craig Kimbrel
11.1%
Zack Kelly
9.2%
Strikeout %lg 22.0% · higher = better
Craig Kimbrel
20.4%
Zack Kelly
19.7%
Chase %lg 28.5% · higher = better
Craig Kimbrel
28.7%
Zack Kelly
28.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Craig Kimbrel
36.6%
Zack Kelly
38.8%
Barrel % Allowedlg 8.0% · lower = better
Craig Kimbrel
5.3%
Zack Kelly
8.2%
xwOBA Allowedlg .315 · lower = better
Craig Kimbrel
.316
Zack Kelly
.368
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
2.386.56
lg xERA 4.10
now 5.63
3.70
Zack Kelly
2.386.56
lg xERA 4.10
now 3.31
3.70
WHIPlower is better
Craig Kimbrel
1.161.52
now 1.44
1.24
Zack Kelly
1.161.52
now 1.29
1.24

Volume · rest of season
Strikeoutshigher is better
Craig Kimbrel
4023.80
now 17
0
Zack Kelly
4023.80
now 14
0
Winshigher is better
Craig Kimbrel
.000.480
now 0
0–0
Zack Kelly
.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
Hold · wait & seeZack Kelly — hold.conf 0.50
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