MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Craig Kimbrel
Craig Kimbrel
KC · P
Change to
Reiver Sanmartin
SF · 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); Reiver Sanmartin 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
Reiver Sanmartin
92.2
Swinging-Strike %lg 11.0% · higher = better
Craig Kimbrel
11.1%
Reiver Sanmartin
9.9%
Strikeout %lg 22.0% · higher = better
Craig Kimbrel
20.4%
Reiver Sanmartin
17.2%
Chase %lg 28.5% · higher = better
Craig Kimbrel
28.7%
Reiver Sanmartin
32.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Craig Kimbrel
36.6%
Reiver Sanmartin
37.1%
Barrel % Allowedlg 8.0% · lower = better
Craig Kimbrel
5.3%
Reiver Sanmartin
10.0%
xwOBA Allowedlg .315 · lower = better
Craig Kimbrel
.316
Reiver Sanmartin
.309
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
2.936.40
lg xERA 4.10
now 5.63
3.70
Reiver Sanmartin
2.936.40
lg xERA 4.10
now 4.50
3.70
WHIPlower is better
Craig Kimbrel
.9001.62
now 1.44
1.24
Reiver Sanmartin
.9001.62
now 1.00
1.24

Volume · rest of season
Strikeoutshigher is better
Craig Kimbrel
4023.80
now 17
0
Reiver Sanmartin
4023.80
now 2
0
Winshigher is better
Craig Kimbrel
.0001.48
now 0
0–0
Reiver Sanmartin
.0001.48
now 1
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 & seeReiver Sanmartin — hold.conf 0.50
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