MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Adrian Houser
Adrian Houser
SF · P
Change to
Portrait of Zac Gallen
Zac Gallen
AZ · 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

Adrian Houser wins 2 (ERA, WHIP); Zac Gallen wins 2 (K, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Adrian Houser
95.7
Zac Gallen
93.4
Swinging-Strike %lg 11.0% · higher = better
Adrian Houser
8.4%
Zac Gallen
8.7%
Strikeout %lg 22.0% · higher = better
Adrian Houser
16.0%
Zac Gallen
13.9%
Chase %lg 28.5% · higher = better
Adrian Houser
25.8%
Zac Gallen
31.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Adrian Houser
42.0%
Zac Gallen
44.7%
Barrel % Allowedlg 8.0% · lower = better
Adrian Houser
8.7%
Zac Gallen
11.0%
xwOBA Allowedlg .315 · lower = better
Adrian Houser
.339
Zac Gallen
.384
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
Adrian Houser
4.196.16
lg xERA 4.10
now 5.59
4.63
Zac Gallen
4.196.16
lg xERA 4.10
now 5.16
5.72
WHIPlower is better
Adrian Houser
1.271.64
now 1.56
1.35
Zac Gallen
1.271.64
now 1.47
1.43

Volume · rest of season
Strikeoutshigher is better
Adrian Houser
4055.60
now 35
8
Zac Gallen
4055.60
now 42
11
Winshigher is better
Adrian Houser
.0004.20
now 2
01
Zac Gallen
.0004.20
now 3
01

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

If you already own them — trade angle
SellAdrian Houser — sell.conf 0.79
SellZac Gallen — sell.conf 0.90
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