MLB Daily DeltaWeek 31 · October 26, 2026
Portrait of Aroldis Chapman
Aroldis Chapman
BOS · P
Change to
Portrait of Jhoan Duran
Jhoan Duran
PHI · P
Change to
Who's more valuable, rest of season

Jhoan Duran.

He projects to help you in more roto categories the rest of the way — ERA and WHIP.

Head-to-head
K
ERA
▶
WHIP
▶
W
SV n/a

Jhoan Duran wins 2 categories (ERA, WHIP); Aroldis Chapman wins 0 (none); 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
Jhoan Duran
100.5
Swinging-Strike %lg 11.0% · higher = better
Aroldis Chapman
15.8%
Jhoan Duran
18.8%
Strikeout %lg 22.0% · higher = better
Aroldis Chapman
33.3%
Jhoan Duran
35.6%
Chase %lg 28.5% · higher = better
Aroldis Chapman
33.1%
Jhoan Duran
34.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Aroldis Chapman
38.1%
Jhoan Duran
39.1%
Barrel % Allowedlg 8.0% · lower = better
Aroldis Chapman
6.8%
Jhoan Duran
3.6%
xwOBA Allowedlg .315 · lower = better
Aroldis Chapman
.252
Jhoan Duran
.222
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
23.50
lg xERA 4.10
now 0.48
2.64
Jhoan Duran
23.50
lg xERA 4.10
now 1.53
2.06
WHIPlower is better
Aroldis Chapman
.9001.41
now 0.86
1.25
Jhoan Duran
.9001.41
now 0.96
0.99

Volume · rest of season
Strikeoutshigher is better
Aroldis Chapman
4036.40
now 25
0
Jhoan Duran
4036.40
now 26
0
Winshigher is better
Aroldis Chapman
.0001.48
now 0
0–0
Jhoan Duran
.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
BuyJhoan Duran — buy.conf 0.92
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