MLB Daily DeltaWeek 25 · September 10, 2026
Quinn Mathews
STL · P
Change to
Portrait of Ryne Nelson
Ryne Nelson
AZ · 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); Quinn Mathews 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
Quinn Mathews
93.6
Ryne Nelson
96.3
Swinging-Strike %lg 11.0% · higher = better
Quinn Mathews
11.7%
Ryne Nelson
11.4%
Strikeout %lg 22.0% · higher = better
Quinn Mathews
20.4%
Ryne Nelson
17.5%
Chase %lg 28.5% · higher = better
Quinn Mathews
26.9%
Ryne Nelson
34.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Quinn Mathews
36.2%
Ryne Nelson
43.4%
Barrel % Allowedlg 8.0% · lower = better
Quinn Mathews
2.1%
Ryne Nelson
10.2%
xwOBA Allowedlg .315 · lower = better
Quinn Mathews
.291
Ryne Nelson
.349
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
Quinn Mathews
3.105.35
lg xERA 4.10
now 3.60
4.10
Ryne Nelson
3.105.35
lg xERA 4.10
now 4.82
4.85
WHIPlower is better
Quinn Mathews
.9502.04
now 1.80
1.30
Ryne Nelson
.9502.04
now 1.19
1.28

Volume · rest of season
Strikeoutshigher is better
Quinn Mathews
4071.60
now 3
6
Ryne Nelson
4071.60
now 52
11
Winshigher is better
Quinn Mathews
.0002.80
now 0
00
Ryne Nelson
.0002.80
now 2
01

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

If you already own them — trade angle
Buy LowQuinn Mathews — buy low. The dip is a window to acquire.conf 0.78
SellRyne Nelson — sell.conf 0.90
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