MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Jack Kochanowicz
Jack Kochanowicz
LAA · P
Change to
Portrait of Merrill Kelly
Merrill Kelly
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 — WHIP and wins.

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

Merrill Kelly wins 2 categories (WHIP, W); Jack Kochanowicz wins 1 (ERA); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jack Kochanowicz
96.2
Merrill Kelly
92.1
Swinging-Strike %lg 11.0% · higher = better
Jack Kochanowicz
10.7%
Merrill Kelly
10.6%
Strikeout %lg 22.0% · higher = better
Jack Kochanowicz
15.9%
Merrill Kelly
15.4%
Chase %lg 28.5% · higher = better
Jack Kochanowicz
25.6%
Merrill Kelly
34.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Kochanowicz
42.8%
Merrill Kelly
42.2%
Barrel % Allowedlg 8.0% · lower = better
Jack Kochanowicz
7.2%
Merrill Kelly
11.8%
xwOBA Allowedlg .315 · lower = better
Jack Kochanowicz
.359
Merrill Kelly
.387
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
Jack Kochanowicz
4.766.10
lg xERA 4.10
now 5.23
5.08
Merrill Kelly
4.766.10
lg xERA 4.10
now 5.06
5.80
WHIPlower is better
Jack Kochanowicz
1.371.59
now 1.48
1.52
Merrill Kelly
1.371.59
now 1.46
1.44

Volume · rest of season
Strikeoutshigher is better
Jack Kochanowicz
4060.80
now 46
9
Merrill Kelly
4060.80
now 33
9
Winshigher is better
Jack Kochanowicz
.0007
now 2
01
Merrill Kelly
.0007
now 5
12

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

If you already own them — trade angle
SellJack Kochanowicz — sell.conf 0.90
SellMerrill Kelly — sell.conf 0.90
Tweet