MLB Daily DeltaWeek 16 · July 12, 2026
Portrait of Jack Flaherty
Jack Flaherty
DET · P
Change to
Portrait of Mitch Keller
Mitch Keller
PIT · P
Change to
Who's more valuable, rest of season

Jack Flaherty.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and WHIP. Mitch Keller’s box score looks better right now, but the luck-stripped projection flips it.

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

Jack Flaherty wins 3 categories (K, ERA, WHIP); Mitch Keller wins 1 (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
Mitch Keller
93.4
Swinging-Strike %lg 11.0% · higher = better
Jack Flaherty
12.3%
Mitch Keller
9.6%
Strikeout %lg 22.0% · higher = better
Jack Flaherty
26.4%
Mitch Keller
17.4%
Chase %lg 28.5% · higher = better
Jack Flaherty
28.1%
Mitch Keller
29.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Flaherty
47.3%
Mitch Keller
42.6%
Barrel % Allowedlg 8.0% · lower = better
Jack Flaherty
8.4%
Mitch Keller
7.4%
xwOBA Allowedlg .315 · lower = better
Jack Flaherty
.322
Mitch Keller
.354
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
3.646.43
lg xERA 4.10
now 5.81
4.26
Mitch Keller
3.646.43
lg xERA 4.10
now 4.35
4.93
WHIPlower is better
Jack Flaherty
.9901.79
now 1.61
1.36
Mitch Keller
.9901.79
now 1.17
1.37

Volume · rest of season
Strikeoutshigher is better
Jack Flaherty
4379
now 64
71
Mitch Keller
4379
now 51
52
Winshigher is better
Jack Flaherty
.0009.80
now 0
00
Mitch Keller
.0009.80
now 5
37

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

If you already own them — trade angle
Hold · leans sellJack Flaherty — hold.conf 0.60
SellMitch Keller — sell.conf 0.90
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