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

Landen Roupp.

He projects to help you in more roto categories the rest of the way — strikeouts and ERA.

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

Landen Roupp wins 2 categories (K, ERA); Aaron Nola wins 1 (WHIP); 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
Landen Roupp
92.9
Swinging-Strike %lg 11.0% · higher = better
Aaron Nola
12.7%
Landen Roupp
10.8%
Strikeout %lg 22.0% · higher = better
Aaron Nola
24.4%
Landen Roupp
21.8%
Chase %lg 28.5% · higher = better
Aaron Nola
32.9%
Landen Roupp
30.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Aaron Nola
40.4%
Landen Roupp
29.2%
Barrel % Allowedlg 8.0% · lower = better
Aaron Nola
9.2%
Landen Roupp
4.8%
xwOBA Allowedlg .315 · lower = better
Aaron Nola
.307
Landen Roupp
.298
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
2.966.29
lg xERA 4.10
now 5.55
3.95
Landen Roupp
2.966.29
lg xERA 4.10
now 4.22
3.70
WHIPlower is better
Aaron Nola
1.241.46
now 1.39
1.31
Landen Roupp
1.241.46
now 1.31
1.39

Volume · rest of season
Strikeoutshigher is better
Aaron Nola
4095.60
now 64
13
Landen Roupp
4095.60
now 72
15
Winshigher is better
Aaron Nola
.0007
now 3
01
Landen Roupp
.0007
now 5
11

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

If you already own them — trade angle
Hold · steadyAaron Nola — hold.conf 0.60
BuyLanden Roupp — buy.conf 0.72
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