MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Merrill Kelly
Merrill Kelly
AZ · P
Change to
Portrait of Zac Gallen
Zac Gallen
AZ · P
Change to
Who's more valuable, rest of season

Merrill Kelly.

He projects to help you in more roto categories the rest of the way — ERA and WHIP.

Head-to-head
K
◀
ERA
◀
WHIP
W
SV n/a

Merrill Kelly wins 2 categories (ERA, WHIP); Zac Gallen wins 0 (none); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Merrill Kelly
92.1
Zac Gallen
93.4
Swinging-Strike %lg 11.0% · higher = better
Merrill Kelly
10.7%
Zac Gallen
8.8%
Strikeout %lg 22.0% · higher = better
Merrill Kelly
16.1%
Zac Gallen
13.6%
Chase %lg 28.5% · higher = better
Merrill Kelly
35.1%
Zac Gallen
31.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Merrill Kelly
41.5%
Zac Gallen
44.1%
Barrel % Allowedlg 8.0% · lower = better
Merrill Kelly
11.0%
Zac Gallen
10.8%
xwOBA Allowedlg .315 · lower = better
Merrill Kelly
.377
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
Merrill Kelly
4.796.01
lg xERA 4.10
now 5.06
5.56
Zac Gallen
4.796.01
lg xERA 4.10
now 5.16
5.74
WHIPlower is better
Merrill Kelly
1.361.54
now 1.46
1.43
Zac Gallen
1.361.54
now 1.47
1.44

Volume · rest of season
Strikeoutshigher is better
Merrill Kelly
4058.80
now 33
0
Zac Gallen
4058.80
now 42
0
Winshigher is better
Merrill Kelly
.0007
now 5
0–0
Zac Gallen
.0007
now 3
0–0

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

If you already own them — trade angle
SellMerrill Kelly — sell.conf 0.90
SellZac Gallen — sell.conf 0.90
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