MLB Daily DeltaWeek 20 · August 7, 2026
Portrait of Aaron Nola
Aaron Nola
PHI · 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

Aaron Nola 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
Aaron Nola
92.3
Nick Martinez
92.8
Swinging-Strike %lg 11.0% · higher = better
Aaron Nola
12.4%
Nick Martinez
8.9%
Strikeout %lg 22.0% · higher = better
Aaron Nola
23.2%
Nick Martinez
14.1%
Chase %lg 28.5% · higher = better
Aaron Nola
32.2%
Nick Martinez
32.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Aaron Nola
41.5%
Nick Martinez
32.9%
Barrel % Allowedlg 8.0% · lower = better
Aaron Nola
10.0%
Nick Martinez
7.3%
xwOBA Allowedlg .315 · lower = better
Aaron Nola
.320
Nick Martinez
.329
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
Aaron Nola
27.12
lg xERA 4.10
now 5.55
4.23
Nick Martinez
27.12
lg xERA 4.10
now 1.62
4.41
WHIPlower is better
Aaron Nola
11.50
now 1.39
1.33
Nick Martinez
11.50
now 1.11
1.23

Volume · rest of season
Strikeoutshigher is better
Aaron Nola
4078.80
now 64
43
Nick Martinez
4078.80
now 41
27
Winshigher is better
Aaron Nola
.0006.60
now 3
13
Nick Martinez
.0006.60
now 5
24

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

If you already own them — trade angle
Buy LowAaron Nola — buy low. The dip is a window to acquire.conf 0.90
Sell HighNick Martinez — sell high. His value is peaking; good time to trade him.conf 0.95
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