MLB Daily DeltaWeek 18 · July 27, 2026
Portrait of Jack Leiter
Jack Leiter
TEX · P
Change to
Portrait of Zebby Matthews
Zebby Matthews
MIN · P
Change to
Who's more valuable, rest of season

Zebby Matthews.

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

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

Zebby Matthews wins 2 categories (ERA, WHIP); Jack Leiter 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 Leiter
96.7
Zebby Matthews
95.2
Swinging-Strike %lg 11.0% · higher = better
Jack Leiter
12.2%
Zebby Matthews
10.3%
Strikeout %lg 22.0% · higher = better
Jack Leiter
23.4%
Zebby Matthews
18.5%
Chase %lg 28.5% · higher = better
Jack Leiter
30.4%
Zebby Matthews
27.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Leiter
39.9%
Zebby Matthews
37.6%
Barrel % Allowedlg 8.0% · lower = better
Jack Leiter
10.3%
Zebby Matthews
12.0%
xwOBA Allowedlg .315 · lower = better
Jack Leiter
.336
Zebby Matthews
.334
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 Leiter
4.124.85
lg xERA 4.10
now 4.34
4.57
Zebby Matthews
4.124.85
lg xERA 4.10
now 4.63
4.53
WHIPlower is better
Jack Leiter
.9001.51
now 1.33
1.37
Zebby Matthews
.9001.51
now 1.03
1.34

Volume · rest of season
Strikeoutshigher is better
Jack Leiter
4094
now 74
55
Zebby Matthews
4094
now 24
50
Winshigher is better
Jack Leiter
.2003.80
now 3
13
Zebby Matthews
.2003.80
now 1
13

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

If you already own them — trade angle
SellJack Leiter — sell.conf 0.77
SellZebby Matthews — sell.conf 0.75
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