MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Roki Sasaki
Roki Sasaki
LAD · P
Change to
Portrait of Will Warren
Will Warren
NYY · 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 — WHIP. Will Warren’s box score looks better right now, but the luck-stripped projection flips it.

Head-to-head
K
ERA
◀
WHIP
W
SV n/a

Roki Sasaki wins 1 categories (WHIP); Will Warren wins 0 (none); 3 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Roki Sasaki
97.8
Will Warren
93.7
Swinging-Strike %lg 11.0% · higher = better
Roki Sasaki
14.9%
Will Warren
10.0%
Strikeout %lg 22.0% · higher = better
Roki Sasaki
23.3%
Will Warren
23.3%
Chase %lg 28.5% · higher = better
Roki Sasaki
33.5%
Will Warren
29.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Roki Sasaki
42.9%
Will Warren
44.0%
Barrel % Allowedlg 8.0% · lower = better
Roki Sasaki
9.9%
Will Warren
7.2%
xwOBA Allowedlg .315 · lower = better
Roki Sasaki
.320
Will Warren
.320
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
Roki Sasaki
2.675.14
lg xERA 4.10
now 4.59
4.26
Will Warren
2.675.14
lg xERA 4.10
now 3.22
4.26
WHIPlower is better
Roki Sasaki
1.131.42
now 1.35
1.33
Will Warren
1.131.42
now 1.20
1.34

Volume · rest of season
Strikeoutshigher is better
Roki Sasaki
4098
now 50
0
Will Warren
4098
now 70
0
Winshigher is better
Roki Sasaki
.0009.80
now 3
0–0
Will Warren
.0009.80
now 7
0–0

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

If you already own them — trade angle
Hold · leans sellRoki Sasaki — hold.conf 0.60
Hold · leans sellWill Warren — hold.conf 0.60
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