MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Aaron Nola
Aaron Nola
PHI · P
Change to
Portrait of Eury Pérez
Eury Pérez
MIA · P
Change to
Who's more valuable, rest of season

Aaron Nola.

He projects to help you in more roto categories the rest of the way — ERA and WHIP. Eury Pérez’s box score looks better right now, but the luck-stripped projection flips it.

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

Aaron Nola wins 2 categories (ERA, WHIP); Eury Pérez wins 1 (K); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Aaron Nola
92.3
Eury Pérez
98.2
Swinging-Strike %lg 11.0% · higher = better
Aaron Nola
12.7%
Eury Pérez
14.7%
Strikeout %lg 22.0% · higher = better
Aaron Nola
24.4%
Eury Pérez
25.8%
Chase %lg 28.5% · higher = better
Aaron Nola
32.9%
Eury Pérez
31.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Aaron Nola
40.4%
Eury Pérez
39.3%
Barrel % Allowedlg 8.0% · lower = better
Aaron Nola
9.2%
Eury Pérez
10.2%
xwOBA Allowedlg .315 · lower = better
Aaron Nola
.307
Eury Pérez
.312
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
3.316.19
lg xERA 4.10
now 5.55
3.95
Eury Pérez
3.316.19
lg xERA 4.10
now 4.60
4.09
WHIPlower is better
Aaron Nola
1.191.46
now 1.39
1.31
Eury Pérez
1.191.46
now 1.26
1.33

Volume · rest of season
Strikeoutshigher is better
Aaron Nola
4095.60
now 64
13
Eury Pérez
4095.60
now 72
15
Winshigher is better
Aaron Nola
.0004.20
now 3
01
Eury Pérez
.0004.20
now 3
01

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

If you already own them — trade angle
Hold · steadyAaron Nola — hold.conf 0.60
Hold · steadyEury Pérez — hold.conf 0.60
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