MLB Daily DeltaWeek 20 · August 8, 2026
Portrait of Adrian Houser
Adrian Houser
SF · P
Change to
Portrait of Merrill Kelly
Merrill Kelly
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); Merrill Kelly 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
95.5
Merrill Kelly
92.1
Swinging-Strike %lg 11.0% · higher = better
Adrian Houser
8.4%
Merrill Kelly
10.4%
Strikeout %lg 22.0% · higher = better
Adrian Houser
15.2%
Merrill Kelly
15.3%
Chase %lg 28.5% · higher = better
Adrian Houser
25.7%
Merrill Kelly
34.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Adrian Houser
42.0%
Merrill Kelly
45.4%
Barrel % Allowedlg 8.0% · lower = better
Adrian Houser
9.4%
Merrill Kelly
13.2%
xwOBA Allowedlg .315 · lower = better
Adrian Houser
.348
Merrill Kelly
.398
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
4.316.61
lg xERA 4.10
now 5.59
4.82
Merrill Kelly
4.316.61
lg xERA 4.10
now 5.06
6.10
WHIPlower is better
Adrian Houser
1.291.64
now 1.56
1.37
Merrill Kelly
1.291.64
now 1.46
1.43

Volume · rest of season
Strikeoutshigher is better
Adrian Houser
4040.60
now 35
25
Merrill Kelly
4040.60
now 33
27
Winshigher is better
Adrian Houser
.0006.60
now 2
12
Merrill Kelly
.0006.60
now 5
25

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

If you already own them — trade angle
SellAdrian Houser — sell.conf 0.88
SellMerrill Kelly — sell.conf 0.90
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