MLB Daily DeltaWeek 13 · June 20, 2026
Portrait of Jack Leiter
Jack Leiter
TEX · P
Change to
Matt Waldron
SD · 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 Leiter wins 2 (K, W); Matt Waldron wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jack Leiter
96.7
Matt Waldron
91.9
Swinging-Strike %lg 11.0% · higher = better
Jack Leiter
12.2%
Matt Waldron
8.8%
Strikeout %lg 22.0% · higher = better
Jack Leiter
23.4%
Matt Waldron
20.0%
Chase %lg 28.5% · higher = better
Jack Leiter
30.4%
Matt Waldron
31.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Leiter
39.9%
Matt Waldron
39.2%
Barrel % Allowedlg 8.0% · lower = better
Jack Leiter
10.3%
Matt Waldron
7.6%
xwOBA Allowedlg .315 · lower = better
Jack Leiter
.337
Matt Waldron
.306
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
2.338.25
lg xERA 4.10
now 4.34
4.49
Matt Waldron
2.338.25
lg xERA 4.10
now 8.49
4.09
WHIPlower is better
Jack Leiter
1.141.87
now 1.33
1.37
Matt Waldron
1.141.87
now 1.71
1.30

Volume · rest of season
Strikeoutshigher is better
Jack Leiter
40128.40
now 74
98
Matt Waldron
40128.40
now 22
62
Winshigher is better
Jack Leiter
.0008
now 3
36
Matt Waldron
.0008
now 1
24

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

If you already own them — trade angle
SellJack Leiter — sell.conf 0.73
Buy LowMatt Waldron — buy low. The dip is a window to acquire.conf 0.90
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