MLB Daily DeltaWeek 17 · July 18, 2026
Portrait of Kyle Leahy
Kyle Leahy
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, ERA, and WHIP.

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

Ryne Nelson wins 3 categories (K, ERA, WHIP); Kyle Leahy wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Kyle Leahy
94.1
Ryne Nelson
96.3
Swinging-Strike %lg 11.0% · higher = better
Kyle Leahy
9.9%
Ryne Nelson
11.4%
Strikeout %lg 22.0% · higher = better
Kyle Leahy
19.3%
Ryne Nelson
17.5%
Chase %lg 28.5% · higher = better
Kyle Leahy
26.0%
Ryne Nelson
34.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Kyle Leahy
50.4%
Ryne Nelson
43.4%
Barrel % Allowedlg 8.0% · lower = better
Kyle Leahy
10.9%
Ryne Nelson
10.2%
xwOBA Allowedlg .315 · lower = better
Kyle Leahy
.353
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
Kyle Leahy
3.995.17
lg xERA 4.10
now 4.25
4.91
Ryne Nelson
3.995.17
lg xERA 4.10
now 4.82
4.82
WHIPlower is better
Kyle Leahy
1.041.71
now 1.56
1.40
Ryne Nelson
1.041.71
now 1.19
1.28

Volume · rest of season
Strikeoutshigher is better
Kyle Leahy
40.4057.60
now 46
46
Ryne Nelson
40.4057.60
now 52
47
Winshigher is better
Kyle Leahy
.0009.40
now 5
37
Ryne Nelson
.0009.40
now 2
12

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

If you already own them — trade angle
SellKyle Leahy — sell.conf 0.90
SellRyne Nelson — sell.conf 0.88
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