MLB Daily DeltaWeek 19 · August 5, 2026
Portrait of Luis Severino
Luis Severino
ATH · 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 22. Take whoever fills a bigger need.

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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Luis Severino
96.9
Matthew Liberatore
94.4
Swinging-Strike %lg 11.0% · higher = better
Luis Severino
10.9%
Matthew Liberatore
11.0%
Strikeout %lg 22.0% · higher = better
Luis Severino
24.0%
Matthew Liberatore
22.5%
Chase %lg 28.5% · higher = better
Luis Severino
31.3%
Matthew Liberatore
29.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Luis Severino
38.7%
Matthew Liberatore
42.3%
Barrel % Allowedlg 8.0% · lower = better
Luis Severino
8.7%
Matthew Liberatore
8.6%
xwOBA Allowedlg .315 · lower = better
Luis Severino
.318
Matthew Liberatore
.338
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
Luis Severino
3.944.82
lg xERA 4.10
now 4.16
4.20
Matthew Liberatore
3.944.82
lg xERA 4.10
now 4.35
4.60
WHIPlower is better
Luis Severino
1.311.57
now 1.47
1.41
Matthew Liberatore
1.311.57
now 1.50
1.38

Volume · rest of season
Strikeoutshigher is better
Luis Severino
4076.60
now 65
42
Matthew Liberatore
4076.60
now 57
36
Winshigher is better
Luis Severino
.2003.80
now 2
12
Matthew Liberatore
.2003.80
now 3
13

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

If you already own them — trade angle
Hold · steadyLuis Severino — hold.conf 0.60
SellMatthew Liberatore — sell.conf 0.78
Tweet