MLB Daily DeltaWeek 27 · September 29, 2026
Portrait of Sonny Gray
Sonny Gray
BOS · P
Change to
Portrait of Walbert Ureña
Walbert Ureña
LAA · 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

Sonny Gray wins 1 (WHIP); Walbert Ureña wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Sonny Gray
91.5
Walbert Ureña
97.9
Swinging-Strike %lg 11.0% · higher = better
Sonny Gray
11.0%
Walbert Ureña
13.0%
Strikeout %lg 22.0% · higher = better
Sonny Gray
21.8%
Walbert Ureña
22.7%
Chase %lg 28.5% · higher = better
Sonny Gray
33.2%
Walbert Ureña
31.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Sonny Gray
38.3%
Walbert Ureña
35.2%
Barrel % Allowedlg 8.0% · lower = better
Sonny Gray
6.8%
Walbert Ureña
5.4%
xwOBA Allowedlg .315 · lower = better
Sonny Gray
.303
Walbert Ureña
.281
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
Sonny Gray
24.44
lg xERA 4.10
now 3.06
3.87
Walbert Ureña
24.44
lg xERA 4.10
now 2.44
3.30
WHIPlower is better
Sonny Gray
1.131.45
now 1.20
1.26
Walbert Ureña
1.131.45
now 1.38
1.36

Volume · rest of season
Strikeoutshigher is better
Sonny Gray
4057.40
now 41
0
Walbert Ureña
4057.40
now 41
0
Winshigher is better
Sonny Gray
.0008.40
now 6
0–0
Walbert Ureña
.0008.40
now 2
0–0

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

If you already own them — trade angle
Hold · leans buySonny Gray — hold.conf 0.60
BuyWalbert Ureña — buy.conf 0.84
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