MLB Daily DeltaWeek 18 · July 23, 2026
Portrait of Jack Flaherty
Jack Flaherty
DET · P
Change to
Zac Thornton
NYM · P
Change to
Who's more valuable, rest of season

Zac Thornton.

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

Zac Thornton 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
Zac Thornton
92.2
Swinging-Strike %lg 11.0% · higher = better
Jack Flaherty
12.2%
Zac Thornton
10.6%
Strikeout %lg 22.0% · higher = better
Jack Flaherty
26.2%
Zac Thornton
19.5%
Chase %lg 28.5% · higher = better
Jack Flaherty
27.6%
Zac Thornton
31.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Flaherty
46.2%
Zac Thornton
37.5%
Barrel % Allowedlg 8.0% · lower = better
Jack Flaherty
8.4%
Zac Thornton
12.5%
xwOBA Allowedlg .315 · lower = better
Jack Flaherty
.323
Zac Thornton
.317
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
3.426.49
lg xERA 4.10
now 5.81
4.29
Zac Thornton
3.426.49
lg xERA 4.10
now 4.35
4.10
WHIPlower is better
Jack Flaherty
.9801.79
now 1.61
1.36
Zac Thornton
.9801.79
now 1.16
1.30

Volume · rest of season
Strikeoutshigher is better
Jack Flaherty
4085.60
now 64
60
Zac Thornton
4085.60
now 10
42
Winshigher is better
Jack Flaherty
.000.480
now 0
00
Zac Thornton
.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
Sell HighZac Thornton — sell high. His value is peaking; good time to trade him.conf 0.95
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