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

Ryne Nelson.

He projects to help you in more roto categories the rest of the way — strikeouts and WHIP.

Head-to-head
K
ERA
WHIP
W
SV n/a

Ryne Nelson wins 2 categories (K, WHIP); Sean Sullivan wins 1 (ERA); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Ryne Nelson
96.3
Sean Sullivan
87.6
Swinging-Strike %lg 11.0% · higher = better
Ryne Nelson
11.4%
Sean Sullivan
7.7%
Strikeout %lg 22.0% · higher = better
Ryne Nelson
17.5%
Sean Sullivan
14.0%
Chase %lg 28.5% · higher = better
Ryne Nelson
34.1%
Sean Sullivan
28.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Ryne Nelson
43.4%
Sean Sullivan
34.5%
Barrel % Allowedlg 8.0% · lower = better
Ryne Nelson
10.2%
Sean Sullivan
9.5%
xwOBA Allowedlg .315 · lower = better
Ryne Nelson
.349
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
Ryne Nelson
26.79
lg xERA 4.10
now 4.82
4.85
Sean Sullivan
26.79
lg xERA 4.10
now 0.00
4.10
WHIPlower is better
Ryne Nelson
.9001.55
now 1.19
1.28
Sean Sullivan
.9001.55
now 0.67
1.30

Volume · rest of season
Strikeoutshigher is better
Ryne Nelson
4072
now 52
10
Sean Sullivan
4072
now 2
6
Winshigher is better
Ryne Nelson
.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
SellRyne Nelson — sell.conf 0.90
Hold · wait & seeSean Sullivan — hold.conf 0.55
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