MLB Daily DeltaWeek 27 · September 29, 2026
Portrait of Roki Sasaki
Roki Sasaki
LAD · P
Change to
Portrait of Trevor McDonald
Trevor McDonald
SF · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
▶
◀
WHIP
W
SV n/a

Roki Sasaki wins 1 (WHIP); Trevor McDonald wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Roki Sasaki
97.9
Trevor McDonald
94.0
Swinging-Strike %lg 11.0% · higher = better
Roki Sasaki
14.9%
Trevor McDonald
9.5%
Strikeout %lg 22.0% · higher = better
Roki Sasaki
23.6%
Trevor McDonald
18.4%
Chase %lg 28.5% · higher = better
Roki Sasaki
33.3%
Trevor McDonald
29.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Roki Sasaki
42.8%
Trevor McDonald
37.8%
Barrel % Allowedlg 8.0% · lower = better
Roki Sasaki
9.8%
Trevor McDonald
4.1%
xwOBA Allowedlg .315 · lower = better
Roki Sasaki
.318
Trevor McDonald
.311
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
3.874.81
lg xERA 4.10
now 4.59
4.23
Trevor McDonald
3.874.81
lg xERA 4.10
now 4.34
4.09
WHIPlower is better
Roki Sasaki
.9601.46
now 1.35
1.33
Trevor McDonald
.9601.46
now 1.07
1.35

Volume · rest of season
Strikeoutshigher is better
Roki Sasaki
4070
now 50
0
Trevor McDonald
4070
now 27
0
Winshigher is better
Roki Sasaki
.0004.20
now 3
0–0
Trevor McDonald
.0004.20
now 2
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 · steadyTrevor McDonald — hold.conf 0.60
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