MLB Daily DeltaWeek 18 · July 23, 2026
Portrait of Martín Pérez
Martín Pérez
ATL · P
Change to
Yusei Kikuchi
LAA · P
Change to
Who's more valuable, rest of season

Yusei Kikuchi.

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

Yusei Kikuchi 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
Martín Pérez
90.0
Yusei Kikuchi
95.4
Swinging-Strike %lg 11.0% · higher = better
Martín Pérez
9.3%
Yusei Kikuchi
12.5%
Strikeout %lg 22.0% · higher = better
Martín Pérez
18.6%
Yusei Kikuchi
23.2%
Chase %lg 28.5% · higher = better
Martín Pérez
26.2%
Yusei Kikuchi
27.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Martín Pérez
36.3%
Yusei Kikuchi
42.6%
Barrel % Allowedlg 8.0% · lower = better
Martín Pérez
6.8%
Yusei Kikuchi
8.5%
xwOBA Allowedlg .315 · lower = better
Martín Pérez
.330
Yusei Kikuchi
.340
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
Martín Pérez
27.02
lg xERA 4.10
now 2.79
4.44
Yusei Kikuchi
27.02
lg xERA 4.10
now 5.81
4.18
WHIPlower is better
Martín Pérez
.9001.79
now 1.06
1.37
Yusei Kikuchi
.9001.79
now 1.58
1.31

Volume · rest of season
Strikeoutshigher is better
Martín Pérez
4054
now 42
38
Yusei Kikuchi
4054
now 33
48
Winshigher is better
Martín Pérez
.0005.60
now 3
24
Yusei Kikuchi
.0005.60
now 0
00

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

If you already own them — trade angle
Sell HighMartín Pérez — sell high. His value is peaking; good time to trade him.conf 0.95
Hold · wait & seeYusei Kikuchi — hold.conf 0.55
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