MLB Daily DeltaWeek 15 · July 6, 2026
Portrait of Jack Flaherty
Jack Flaherty
DET · 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 22. Take whoever fills a bigger need.

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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jack Flaherty
92.8
Ryne Nelson
96.3
Swinging-Strike %lg 11.0% · higher = better
Jack Flaherty
12.0%
Ryne Nelson
11.4%
Strikeout %lg 22.0% · higher = better
Jack Flaherty
26.5%
Ryne Nelson
17.5%
Chase %lg 28.5% · higher = better
Jack Flaherty
28.0%
Ryne Nelson
34.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Flaherty
47.2%
Ryne Nelson
43.4%
Barrel % Allowedlg 8.0% · lower = better
Jack Flaherty
8.0%
Ryne Nelson
10.2%
xwOBA Allowedlg .315 · lower = better
Jack Flaherty
.321
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
Jack Flaherty
3.606.44
lg xERA 4.10
now 5.81
4.23
Ryne Nelson
3.606.44
lg xERA 4.10
now 4.82
4.82
WHIPlower is better
Jack Flaherty
1.021.78
now 1.61
1.37
Ryne Nelson
1.021.78
now 1.19
1.28

Volume · rest of season
Strikeoutshigher is better
Jack Flaherty
41.2089.80
now 64
79
Ryne Nelson
41.2089.80
now 52
58
Winshigher is better
Jack Flaherty
.0004.20
now 0
00
Ryne Nelson
.0004.20
now 2
13

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

If you already own them — trade angle
Hold · leans sellJack Flaherty — hold.conf 0.60
SellRyne Nelson — sell.conf 0.88
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