MLB Daily DeltaWeek 19 · July 31, 2026
Portrait of Jack Flaherty
Jack Flaherty
DET · P
Change to
Patrick Sandoval
BOS · P
Change to
Who's more valuable, rest of season

Patrick Sandoval.

He projects to help you in more roto categories the rest of the way — ERA and WHIP.

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

Patrick Sandoval wins 2 categories (ERA, WHIP); Jack Flaherty wins 1 (K); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jack Flaherty
92.7
Patrick Sandoval
93.9
Swinging-Strike %lg 11.0% · higher = better
Jack Flaherty
12.2%
Patrick Sandoval
12.6%
Strikeout %lg 22.0% · higher = better
Jack Flaherty
26.2%
Patrick Sandoval
23.3%
Chase %lg 28.5% · higher = better
Jack Flaherty
27.6%
Patrick Sandoval
31.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Flaherty
46.2%
Patrick Sandoval
35.6%
Barrel % Allowedlg 8.0% · lower = better
Jack Flaherty
8.4%
Patrick Sandoval
5.1%
xwOBA Allowedlg .315 · lower = better
Jack Flaherty
.323
Patrick Sandoval
.323
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
27.30
lg xERA 4.10
now 5.81
4.30
Patrick Sandoval
27.30
lg xERA 4.10
now 2.08
4.10
WHIPlower is better
Jack Flaherty
1.181.73
now 1.61
1.36
Patrick Sandoval
1.181.73
now 1.38
1.30

Volume · rest of season
Strikeoutshigher is better
Jack Flaherty
4087.60
now 64
52
Patrick Sandoval
4087.60
now 5
38
Winshigher is better
Jack Flaherty
.000.480
now 0
00
Patrick Sandoval
.000.480
now 0
00

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

If you already own them — trade angle
SellJack Flaherty — sell.conf 0.64
Hold · wait & seePatrick Sandoval — hold.conf 0.50
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