MLB Daily DeltaWeek 19 · August 5, 2026
Kodai Senga
NYM · 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

Kodai Senga wins 2 (K, ERA); Merrill Kelly wins 2 (WHIP, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Kodai Senga
96.2
Merrill Kelly
92.1
Swinging-Strike %lg 11.0% · higher = better
Kodai Senga
13.2%
Merrill Kelly
10.4%
Strikeout %lg 22.0% · higher = better
Kodai Senga
25.2%
Merrill Kelly
15.3%
Chase %lg 28.5% · higher = better
Kodai Senga
26.7%
Merrill Kelly
34.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Kodai Senga
39.0%
Merrill Kelly
45.4%
Barrel % Allowedlg 8.0% · lower = better
Kodai Senga
13.0%
Merrill Kelly
13.2%
xwOBA Allowedlg .315 · lower = better
Kodai Senga
.350
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
Kodai Senga
3.208.25
lg xERA 4.10
now 9.00
4.86
Merrill Kelly
3.208.25
lg xERA 4.10
now 5.06
6.10
WHIPlower is better
Kodai Senga
1.222.16
now 1.95
1.51
Merrill Kelly
1.222.16
now 1.46
1.43

Volume · rest of season
Strikeoutshigher is better
Kodai Senga
4044
now 23
38
Merrill Kelly
4044
now 33
28
Winshigher is better
Kodai Senga
.0007
now 0
00
Merrill Kelly
.0007
now 5
25

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

If you already own them — trade angle
Hold · leans sellKodai Senga — hold.conf 0.60
SellMerrill Kelly — sell.conf 0.90
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