MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Matthew Liberatore
Matthew Liberatore
STL · P
Change to
Portrait of Tyler Mahle
Tyler Mahle
ATL · P
Change to
Who's more valuable, rest of season

Tyler Mahle.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and WHIP. Matthew Liberatore’s box score looks better right now, but the luck-stripped projection flips it.

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

Tyler Mahle wins 3 categories (K, ERA, WHIP); Matthew Liberatore wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Matthew Liberatore
94.4
Tyler Mahle
92.8
Swinging-Strike %lg 11.0% · higher = better
Matthew Liberatore
11.2%
Tyler Mahle
10.7%
Strikeout %lg 22.0% · higher = better
Matthew Liberatore
23.7%
Tyler Mahle
22.8%
Chase %lg 28.5% · higher = better
Matthew Liberatore
28.7%
Tyler Mahle
29.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Matthew Liberatore
41.7%
Tyler Mahle
38.7%
Barrel % Allowedlg 8.0% · lower = better
Matthew Liberatore
9.3%
Tyler Mahle
6.7%
xwOBA Allowedlg .315 · lower = better
Matthew Liberatore
.337
Tyler Mahle
.313
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
3.346.81
lg xERA 4.10
now 4.35
4.59
Tyler Mahle
3.346.81
lg xERA 4.10
now 6.04
4.11
WHIPlower is better
Matthew Liberatore
1.231.63
now 1.50
1.37
Tyler Mahle
1.231.63
now 1.54
1.32

Volume · rest of season
Strikeoutshigher is better
Matthew Liberatore
4075.40
now 57
11
Tyler Mahle
4075.40
now 57
13
Winshigher is better
Matthew Liberatore
.0004.20
now 3
01
Tyler Mahle
.0004.20
now 1
00

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

If you already own them — trade angle
Hold · leans sellMatthew Liberatore — hold.conf 0.60
Hold · steadyTyler Mahle — hold.conf 0.60
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