MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Aroldis Chapman
Aroldis Chapman
BOS · P
Change to
Portrait of Grant Taylor
Grant Taylor
CWS · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
◀
ERA
WHIP
▶
W
SV n/a

Aroldis Chapman wins 1 (ERA); Grant Taylor wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Aroldis Chapman
96.9
Grant Taylor
98.1
Swinging-Strike %lg 11.0% · higher = better
Aroldis Chapman
15.8%
Grant Taylor
13.7%
Strikeout %lg 22.0% · higher = better
Aroldis Chapman
33.3%
Grant Taylor
31.5%
Chase %lg 28.5% · higher = better
Aroldis Chapman
33.1%
Grant Taylor
33.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Aroldis Chapman
38.1%
Grant Taylor
41.2%
Barrel % Allowedlg 8.0% · lower = better
Aroldis Chapman
6.8%
Grant Taylor
7.5%
xwOBA Allowedlg .315 · lower = better
Aroldis Chapman
.252
Grant Taylor
.267
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
Aroldis Chapman
23.95
lg xERA 4.10
now 0.48
2.64
Grant Taylor
23.95
lg xERA 4.10
now 2.12
2.96
WHIPlower is better
Aroldis Chapman
.9001.41
now 0.86
1.25
Grant Taylor
.9001.41
now 1.11
1.20

Volume · rest of season
Strikeoutshigher is better
Aroldis Chapman
4061.60
now 25
0
Grant Taylor
4061.60
now 44
0
Winshigher is better
Aroldis Chapman
.0001.48
now 0
0–0
Grant Taylor
.0001.48
now 1
0–0

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

If you already own them — trade angle
BuyAroldis Chapman — buy.conf 0.92
BuyGrant Taylor — buy.conf 0.92
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