MLB Daily DeltaWeek 15 · July 2, 2026
Kodai Senga
NYM · P
Change to
Portrait of Martín Pérez
Martín Pérez
ATL · P
Change to
Who's more valuable, rest of season

Kodai Senga.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and WHIP. Martín Pérez’s box score looks better right now, but it’s built on luck that won’t hold.

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

Kodai Senga wins 3 categories (K, ERA, WHIP); Martín Pérez wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Kodai Senga
96.1
Martín Pérez
90.0
Swinging-Strike %lg 11.0% · higher = better
Kodai Senga
13.4%
Martín Pérez
9.5%
Strikeout %lg 22.0% · higher = better
Kodai Senga
24.7%
Martín Pérez
19.5%
Chase %lg 28.5% · higher = better
Kodai Senga
26.3%
Martín Pérez
26.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Kodai Senga
37.4%
Martín Pérez
36.8%
Barrel % Allowedlg 8.0% · lower = better
Kodai Senga
12.1%
Martín Pérez
6.8%
xwOBA Allowedlg .315 · lower = better
Kodai Senga
.346
Martín Pérez
.323
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
28.25
lg xERA 4.10
now 9.00
4.10
Martín Pérez
28.25
lg xERA 4.10
now 2.79
4.26
WHIPlower is better
Kodai Senga
.9002.31
now 1.95
1.30
Martín Pérez
.9002.31
now 1.06
1.36

Volume · rest of season
Strikeoutshigher is better
Kodai Senga
4081.80
now 23
65
Martín Pérez
4081.80
now 42
51
Winshigher is better
Kodai Senga
.0007
now 0
00
Martín Pérez
.0007
now 3
35

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

If you already own them — trade angle
Hold · wait & seeKodai Senga — hold.conf 0.50
Sell HighMartín Pérez — sell high. His value is peaking; good time to trade him.conf 0.95
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