MLB Daily DeltaWeek 31 · October 26, 2026
Portrait of Luis Severino
Luis Severino
ATH · P
Change to
Portrait of Ryne Nelson
Ryne Nelson
AZ · 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

Luis Severino wins 1 (ERA); Ryne Nelson 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
Luis Severino
96.9
Ryne Nelson
96.4
Swinging-Strike %lg 11.0% · higher = better
Luis Severino
10.9%
Ryne Nelson
11.5%
Strikeout %lg 22.0% · higher = better
Luis Severino
24.0%
Ryne Nelson
17.6%
Chase %lg 28.5% · higher = better
Luis Severino
31.3%
Ryne Nelson
33.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Luis Severino
38.7%
Ryne Nelson
43.9%
Barrel % Allowedlg 8.0% · lower = better
Luis Severino
8.7%
Ryne Nelson
10.1%
xwOBA Allowedlg .315 · lower = better
Luis Severino
.318
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
Luis Severino
3.875.17
lg xERA 4.10
now 4.16
4.23
Ryne Nelson
3.875.17
lg xERA 4.10
now 4.82
4.88
WHIPlower is better
Luis Severino
1.081.58
now 1.47
1.41
Ryne Nelson
1.081.58
now 1.19
1.30

Volume · rest of season
Strikeoutshigher is better
Luis Severino
4091
now 65
0
Ryne Nelson
4091
now 52
0
Winshigher is better
Luis Severino
.0002.80
now 2
0–0
Ryne Nelson
.0002.80
now 2
0–0

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

If you already own them — trade angle
Hold · leans sellLuis Severino — hold.conf 0.60
Sell HighRyne Nelson — sell high. His value is peaking; good time to trade him.conf 0.79
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