MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Luis Severino
Luis Severino
ATH · P
Change to
Sean Sullivan
COL · P
Change to
Who's more valuable, rest of season

Sean Sullivan.

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

Sean Sullivan wins 2 categories (ERA, WHIP); Luis Severino 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
Luis Severino
96.9
Sean Sullivan
87.6
Swinging-Strike %lg 11.0% · higher = better
Luis Severino
10.9%
Sean Sullivan
7.7%
Strikeout %lg 22.0% · higher = better
Luis Severino
24.0%
Sean Sullivan
14.0%
Chase %lg 28.5% · higher = better
Luis Severino
31.3%
Sean Sullivan
28.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Luis Severino
38.7%
Sean Sullivan
34.5%
Barrel % Allowedlg 8.0% · lower = better
Luis Severino
8.7%
Sean Sullivan
9.5%
xwOBA Allowedlg .315 · lower = better
Luis Severino
.318
Sean Sullivan
.335
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
Luis Severino
25.89
lg xERA 4.10
now 4.16
4.21
Sean Sullivan
25.89
lg xERA 4.10
now 0.00
4.10
WHIPlower is better
Luis Severino
.9001.79
now 1.47
1.41
Sean Sullivan
.9001.79
now 0.67
1.30

Volume · rest of season
Strikeoutshigher is better
Luis Severino
4090.20
now 65
12
Sean Sullivan
4090.20
now 2
6
Winshigher is better
Luis Severino
.0002.80
now 2
01
Sean Sullivan
.0002.80
now 0
00

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

If you already own them — trade angle
Hold · leans sellLuis Severino — hold.conf 0.60
Hold · wait & seeSean Sullivan — hold.conf 0.55
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