MLB Daily DeltaWeek 20 · August 9, 2026
Portrait of Aaron Nola
Aaron Nola
PHI · P
Change to
Portrait of Roki Sasaki
Roki Sasaki
LAD · P
Change to
Who's more valuable, rest of season

Roki Sasaki.

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

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

Roki Sasaki wins 2 categories (ERA, WHIP); Aaron Nola 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
Roki Sasaki
97.9
Swinging-Strike %lg 11.0% · higher = better
Aaron Nola
12.4%
Roki Sasaki
14.9%
Strikeout %lg 22.0% · higher = better
Aaron Nola
23.2%
Roki Sasaki
23.8%
Chase %lg 28.5% · higher = better
Aaron Nola
32.2%
Roki Sasaki
32.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Aaron Nola
41.5%
Roki Sasaki
42.7%
Barrel % Allowedlg 8.0% · lower = better
Aaron Nola
10.0%
Roki Sasaki
10.5%
xwOBA Allowedlg .315 · lower = better
Aaron Nola
.320
Roki Sasaki
.315
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
3.566.12
lg xERA 4.10
now 5.55
4.23
Roki Sasaki
3.566.12
lg xERA 4.10
now 4.59
4.13
WHIPlower is better
Aaron Nola
1.241.46
now 1.39
1.33
Roki Sasaki
1.241.46
now 1.35
1.31

Volume · rest of season
Strikeoutshigher is better
Aaron Nola
4076
now 64
41
Roki Sasaki
4076
now 50
34
Winshigher is better
Aaron Nola
.2003.80
now 3
13
Roki Sasaki
.2003.80
now 3
13

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
Hold · steadyRoki Sasaki — hold.conf 0.60
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