MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Ryne Nelson
Ryne Nelson
AZ · P
Change to
Portrait of Tyler Mahle
Tyler Mahle
SF · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Ryne Nelson wins 2 (WHIP, W); Tyler Mahle wins 2 (K, ERA); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Ryne Nelson
96.3
Tyler Mahle
92.2
Swinging-Strike %lg 11.0% · higher = better
Ryne Nelson
11.4%
Tyler Mahle
8.7%
Strikeout %lg 22.0% · higher = better
Ryne Nelson
17.5%
Tyler Mahle
22.9%
Chase %lg 28.5% · higher = better
Ryne Nelson
34.1%
Tyler Mahle
28.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Ryne Nelson
43.4%
Tyler Mahle
35.7%
Barrel % Allowedlg 8.0% · lower = better
Ryne Nelson
10.2%
Tyler Mahle
8.3%
xwOBA Allowedlg .315 · lower = better
Ryne Nelson
.349
Tyler Mahle
.316
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
3.306.82
lg xERA 4.10
now 4.82
4.74
Tyler Mahle
3.306.82
lg xERA 4.10
now 6.04
4.08
WHIPlower is better
Ryne Nelson
1.051.68
now 1.19
1.28
Tyler Mahle
1.051.68
now 1.54
1.38

Volume · rest of season
Strikeoutshigher is better
Ryne Nelson
40101
now 52
73
Tyler Mahle
40101
now 57
87
Winshigher is better
Ryne Nelson
.0005.20
now 2
24
Tyler Mahle
.0005.20
now 1
12

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

If you already own them — trade angle
SellRyne Nelson — sell.conf 0.85
Buy LowTyler Mahle — buy low. The dip is a window to acquire.conf 0.90
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