MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Landen Roupp
Landen Roupp
SF · 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

Landen Roupp wins 1 (ERA); Trevor McDonald 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
Trevor McDonald
94.0
Swinging-Strike %lg 11.0% · higher = better
Landen Roupp
10.6%
Trevor McDonald
9.5%
Strikeout %lg 22.0% · higher = better
Landen Roupp
21.8%
Trevor McDonald
18.4%
Chase %lg 28.5% · higher = better
Landen Roupp
30.2%
Trevor McDonald
29.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Landen Roupp
30.0%
Trevor McDonald
37.8%
Barrel % Allowedlg 8.0% · lower = better
Landen Roupp
5.1%
Trevor McDonald
4.1%
xwOBA Allowedlg .315 · lower = better
Landen Roupp
.302
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
Landen Roupp
3.624.56
lg xERA 4.10
now 4.22
3.84
Trevor McDonald
3.624.56
lg xERA 4.10
now 4.34
4.09
WHIPlower is better
Landen Roupp
.9401.52
now 1.31
1.39
Trevor McDonald
.9401.52
now 1.07
1.35

Volume · rest of season
Strikeoutshigher is better
Landen Roupp
40100.80
now 72
0
Trevor McDonald
40100.80
now 27
0
Winshigher is better
Landen Roupp
.0007
now 5
0–0
Trevor McDonald
.0007
now 2
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 · steadyTrevor McDonald — hold.conf 0.60
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