MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Matthew Liberatore
Matthew Liberatore
STL · 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 11, 2 even. Take whoever fills a bigger need.

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

Matthew Liberatore wins 1 (W); 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
Matthew Liberatore
94.4
Walbert Ureña
97.9
Swinging-Strike %lg 11.0% · higher = better
Matthew Liberatore
11.2%
Walbert Ureña
12.3%
Strikeout %lg 22.0% · higher = better
Matthew Liberatore
23.7%
Walbert Ureña
22.5%
Chase %lg 28.5% · higher = better
Matthew Liberatore
28.7%
Walbert Ureña
31.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Matthew Liberatore
41.7%
Walbert Ureña
35.8%
Barrel % Allowedlg 8.0% · lower = better
Matthew Liberatore
9.3%
Walbert Ureña
5.4%
xwOBA Allowedlg .315 · lower = better
Matthew Liberatore
.337
Walbert Ureña
.286
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
Matthew Liberatore
25.45
lg xERA 4.10
now 4.35
4.59
Walbert Ureña
25.45
lg xERA 4.10
now 2.44
3.40
WHIPlower is better
Matthew Liberatore
1.301.57
now 1.50
1.37
Walbert Ureña
1.301.57
now 1.38
1.37

Volume · rest of season
Strikeoutshigher is better
Matthew Liberatore
4075.80
now 57
10
Walbert Ureña
4075.80
now 41
10
Winshigher is better
Matthew Liberatore
.0004.20
now 3
01
Walbert Ureña
.0004.20
now 2
01

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

If you already own them — trade angle
Hold · leans sellMatthew Liberatore — hold.conf 0.60
Sell HighWalbert Ureña — sell high. His value is peaking; good time to trade him.conf 0.91
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