MLB Daily DeltaWeek 19 · August 2, 2026
Portrait of Spencer Arrighetti
Spencer Arrighetti
HOU · 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 22. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

Spencer Arrighetti wins 2 (K, W); Walbert Ureña wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Spencer Arrighetti
92.4
Walbert Ureña
97.6
Swinging-Strike %lg 11.0% · higher = better
Spencer Arrighetti
10.7%
Walbert Ureña
12.6%
Strikeout %lg 22.0% · higher = better
Spencer Arrighetti
22.5%
Walbert Ureña
21.9%
Chase %lg 28.5% · higher = better
Spencer Arrighetti
26.1%
Walbert Ureña
31.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Spencer Arrighetti
30.6%
Walbert Ureña
32.8%
Barrel % Allowedlg 8.0% · lower = better
Spencer Arrighetti
7.7%
Walbert Ureña
5.1%
xwOBA Allowedlg .315 · lower = better
Spencer Arrighetti
.345
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
Spencer Arrighetti
26.11
lg xERA 4.10
now 1.34
4.75
Walbert Ureña
26.11
lg xERA 4.10
now 2.44
3.26
WHIPlower is better
Spencer Arrighetti
1.011.55
now 1.13
1.43
Walbert Ureña
1.011.55
now 1.38
1.41

Volume · rest of season
Strikeoutshigher is better
Spencer Arrighetti
4048.60
now 43
40
Walbert Ureña
4048.60
now 41
36
Winshigher is better
Spencer Arrighetti
.00012.20
now 7
49
Walbert Ureña
.00012.20
now 2
12

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

If you already own them — trade angle
Sell HighSpencer Arrighetti — sell high. His value is peaking; good time to trade him.conf 0.85
Sell HighWalbert Ureña — sell high. His value is peaking; good time to trade him.conf 0.87
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