MLB Daily DeltaWeek 16 · July 10, 2026
Portrait of Martín Pérez
Martín Pérez
ATL · P
Change to
Portrait of Shane Baz
Shane Baz
BAL · 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

Martín Pérez wins 2 (WHIP, W); Shane Baz wins 2 (K, ERA); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Martín Pérez
90.0
Shane Baz
96.1
Swinging-Strike %lg 11.0% · higher = better
Martín Pérez
9.3%
Shane Baz
10.0%
Strikeout %lg 22.0% · higher = better
Martín Pérez
18.6%
Shane Baz
19.6%
Chase %lg 28.5% · higher = better
Martín Pérez
26.2%
Shane Baz
29.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Martín Pérez
36.3%
Shane Baz
41.2%
Barrel % Allowedlg 8.0% · lower = better
Martín Pérez
6.8%
Shane Baz
7.7%
xwOBA Allowedlg .315 · lower = better
Martín Pérez
.330
Shane Baz
.328
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
2.115.16
lg xERA 4.10
now 2.79
4.42
Shane Baz
2.115.16
lg xERA 4.10
now 4.48
4.38
WHIPlower is better
Martín Pérez
.9101.58
now 1.06
1.37
Shane Baz
.9101.58
now 1.43
1.40

Volume · rest of season
Strikeoutshigher is better
Martín Pérez
4070
now 42
46
Shane Baz
4070
now 57
62
Winshigher is better
Martín Pérez
.0006.60
now 3
25
Shane Baz
.0006.60
now 2
13

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
SellShane Baz — sell.conf 0.68
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