MLB Daily DeltaWeek 15 · July 5, 2026
Portrait of Matthew Liberatore
Matthew Liberatore
STL · P
Change to
Sean Sullivan
COL · 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

Matthew Liberatore wins 2 (K, W); Sean Sullivan wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Matthew Liberatore
94.5
Sean Sullivan
87.9
Swinging-Strike %lg 11.0% · higher = better
Matthew Liberatore
10.7%
Sean Sullivan
7.8%
Strikeout %lg 22.0% · higher = better
Matthew Liberatore
21.5%
Sean Sullivan
14.6%
Chase %lg 28.5% · higher = better
Matthew Liberatore
29.4%
Sean Sullivan
28.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Matthew Liberatore
42.9%
Sean Sullivan
28.8%
Barrel % Allowedlg 8.0% · lower = better
Matthew Liberatore
10.6%
Sean Sullivan
6.8%
xwOBA Allowedlg .315 · lower = better
Matthew Liberatore
.359
Sean Sullivan
.280
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
27.06
lg xERA 4.10
now 4.35
5.04
Sean Sullivan
27.06
lg xERA 4.10
now 0.00
4.10
WHIPlower is better
Matthew Liberatore
.9001.83
now 1.50
1.39
Sean Sullivan
.9001.83
now 0.67
1.30

Volume · rest of season
Strikeoutshigher is better
Matthew Liberatore
4086
now 57
62
Sean Sullivan
4086
now 2
31
Winshigher is better
Matthew Liberatore
.0007
now 3
25
Sean Sullivan
.0007
now 0
00

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

If you already own them — trade angle
SellMatthew Liberatore — sell.conf 0.90
Buy LowSean Sullivan — buy low. The dip is a window to acquire.conf 0.90
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