MLB Daily DeltaWeek 19 · July 31, 2026
Portrait of Connor Prielipp
Connor Prielipp
MIN · P
Change to
Portrait of Jack Leiter
Jack Leiter
TEX · 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

Connor Prielipp wins 2 (ERA, WHIP); Jack Leiter wins 2 (K, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Connor Prielipp
95.5
Jack Leiter
96.7
Swinging-Strike %lg 11.0% · higher = better
Connor Prielipp
10.8%
Jack Leiter
12.2%
Strikeout %lg 22.0% · higher = better
Connor Prielipp
24.4%
Jack Leiter
23.4%
Chase %lg 28.5% · higher = better
Connor Prielipp
30.6%
Jack Leiter
30.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Connor Prielipp
40.7%
Jack Leiter
39.9%
Barrel % Allowedlg 8.0% · lower = better
Connor Prielipp
8.8%
Jack Leiter
10.3%
xwOBA Allowedlg .315 · lower = better
Connor Prielipp
.311
Jack Leiter
.337
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
Connor Prielipp
3.635.56
lg xERA 4.10
now 5.13
4.06
Jack Leiter
3.635.56
lg xERA 4.10
now 4.34
4.59
WHIPlower is better
Connor Prielipp
1.251.44
now 1.35
1.32
Jack Leiter
1.251.44
now 1.33
1.37

Volume · rest of season
Strikeoutshigher is better
Connor Prielipp
4089.60
now 35
41
Jack Leiter
4089.60
now 74
52
Winshigher is better
Connor Prielipp
.2003.80
now 1
12
Jack Leiter
.2003.80
now 3
13

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

If you already own them — trade angle
Hold · steadyConnor Prielipp — hold.conf 0.60
SellJack Leiter — sell.conf 0.78
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