MLB Daily DeltaWeek 27 · September 28, 2026
Jake Irvin
WSH · P
Change to
Portrait of Matthew Liberatore
Matthew Liberatore
STL · 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

Jake Irvin wins 1 (WHIP); Matthew Liberatore 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
Jake Irvin
93.2
Matthew Liberatore
94.3
Swinging-Strike %lg 11.0% · higher = better
Jake Irvin
11.2%
Matthew Liberatore
11.0%
Strikeout %lg 22.0% · higher = better
Jake Irvin
23.4%
Matthew Liberatore
22.8%
Chase %lg 28.5% · higher = better
Jake Irvin
25.0%
Matthew Liberatore
28.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Jake Irvin
44.9%
Matthew Liberatore
42.4%
Barrel % Allowedlg 8.0% · lower = better
Jake Irvin
10.9%
Matthew Liberatore
9.3%
xwOBA Allowedlg .315 · lower = better
Jake Irvin
.351
Matthew Liberatore
.341
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
Jake Irvin
45.58
lg xERA 4.10
now 5.23
4.93
Matthew Liberatore
45.58
lg xERA 4.10
now 4.35
4.70
WHIPlower is better
Jake Irvin
1.281.57
now 1.35
1.36
Matthew Liberatore
1.281.57
now 1.50
1.39

Volume · rest of season
Strikeoutshigher is better
Jake Irvin
4081.20
now 58
0
Matthew Liberatore
4081.20
now 57
0
Winshigher is better
Jake Irvin
.0004.20
now 2
0–0
Matthew Liberatore
.0004.20
now 3
0–0

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

If you already own them — trade angle
SellJake Irvin — sell.conf 0.90
SellMatthew Liberatore — sell.conf 0.83
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