MLB Daily DeltaWeek 27 · September 29, 2026
Portrait of Landen Roupp
Landen Roupp
SF · P
Change to
Portrait of Roki Sasaki
Roki Sasaki
LAD · 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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Landen Roupp
92.9
Roki Sasaki
97.9
Swinging-Strike %lg 11.0% · higher = better
Landen Roupp
10.6%
Roki Sasaki
14.9%
Strikeout %lg 22.0% · higher = better
Landen Roupp
21.8%
Roki Sasaki
23.6%
Chase %lg 28.5% · higher = better
Landen Roupp
30.2%
Roki Sasaki
33.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Landen Roupp
30.0%
Roki Sasaki
42.8%
Barrel % Allowedlg 8.0% · lower = better
Landen Roupp
5.1%
Roki Sasaki
9.8%
xwOBA Allowedlg .315 · lower = better
Landen Roupp
.302
Roki Sasaki
.318
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
Landen Roupp
3.544.89
lg xERA 4.10
now 4.22
3.84
Roki Sasaki
3.544.89
lg xERA 4.10
now 4.59
4.23
WHIPlower is better
Landen Roupp
1.241.46
now 1.31
1.39
Roki Sasaki
1.241.46
now 1.35
1.33

Volume · rest of season
Strikeoutshigher is better
Landen Roupp
40100.80
now 72
0
Roki Sasaki
40100.80
now 50
0
Winshigher is better
Landen Roupp
.0007
now 5
0–0
Roki Sasaki
.0007
now 3
0–0

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

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