MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Craig Kimbrel
Craig Kimbrel
KC · P
Change to
Geoff Hartlieb
ATH · 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); Geoff Hartlieb 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
Geoff Hartlieb
95.4
Swinging-Strike %lg 11.0% · higher = better
Craig Kimbrel
11.1%
Geoff Hartlieb
13.2%
Strikeout %lg 22.0% · higher = better
Craig Kimbrel
20.4%
Geoff Hartlieb
18.1%
Chase %lg 28.5% · higher = better
Craig Kimbrel
28.7%
Geoff Hartlieb
33.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Craig Kimbrel
36.6%
Geoff Hartlieb
43.2%
Barrel % Allowedlg 8.0% · lower = better
Craig Kimbrel
5.3%
Geoff Hartlieb
6.2%
xwOBA Allowedlg .315 · lower = better
Craig Kimbrel
.316
Geoff Hartlieb
.305
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
26.68
lg xERA 4.10
now 5.63
3.70
Geoff Hartlieb
26.68
lg xERA 4.10
now 3.00
3.70
WHIPlower is better
Craig Kimbrel
1.161.52
now 1.44
1.24
Geoff Hartlieb
1.161.52
now 1.33
1.24

Volume · rest of season
Strikeoutshigher is better
Craig Kimbrel
4023.80
now 17
0
Geoff Hartlieb
4023.80
now 1
0
Winshigher is better
Craig Kimbrel
.000.480
now 0
0–0
Geoff Hartlieb
.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
Buy LowGeoff Hartlieb — buy low. The dip is a window to acquire.conf 0.86
Tweet