MLB Daily DeltaWeek 17 · July 22, 2026
Portrait of Freddy Peralta
Freddy Peralta
NYM · P
Change to
Portrait of Nick Martinez
Nick Martinez
TB · 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

Freddy Peralta wins 2 (K, ERA); Nick Martinez wins 2 (WHIP, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Freddy Peralta
94.2
Nick Martinez
92.9
Swinging-Strike %lg 11.0% · higher = better
Freddy Peralta
12.3%
Nick Martinez
8.9%
Strikeout %lg 22.0% · higher = better
Freddy Peralta
22.4%
Nick Martinez
13.7%
Chase %lg 28.5% · higher = better
Freddy Peralta
28.8%
Nick Martinez
32.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Freddy Peralta
38.7%
Nick Martinez
32.7%
Barrel % Allowedlg 8.0% · lower = better
Freddy Peralta
5.4%
Nick Martinez
7.1%
xwOBA Allowedlg .315 · lower = better
Freddy Peralta
.303
Nick Martinez
.330
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
Freddy Peralta
25.57
lg xERA 4.10
now 3.55
3.83
Nick Martinez
25.57
lg xERA 4.10
now 1.62
4.44
WHIPlower is better
Freddy Peralta
11.49
now 1.30
1.38
Nick Martinez
11.49
now 1.11
1.27

Volume · rest of season
Strikeoutshigher is better
Freddy Peralta
4080.40
now 68
62
Nick Martinez
4080.40
now 41
37
Winshigher is better
Freddy Peralta
.4007.60
now 3
23
Nick Martinez
.4007.60
now 5
36

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

If you already own them — trade angle
Hold · leans buyFreddy Peralta — hold.conf 0.60
Sell HighNick Martinez — sell high. His value is peaking; good time to trade him.conf 0.95
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