MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Jack Leiter
Jack Leiter
TEX · P
Change to
Portrait of Slade Cecconi
Slade Cecconi
CLE · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
▶
◀
WHIP
W
SV n/a

Jack Leiter wins 1 (WHIP); Slade Cecconi wins 1 (ERA); 2 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
Slade Cecconi
93.6
Swinging-Strike %lg 11.0% · higher = better
Jack Leiter
12.2%
Slade Cecconi
9.8%
Strikeout %lg 22.0% · higher = better
Jack Leiter
23.4%
Slade Cecconi
18.9%
Chase %lg 28.5% · higher = better
Jack Leiter
30.4%
Slade Cecconi
27.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Leiter
39.9%
Slade Cecconi
41.4%
Barrel % Allowedlg 8.0% · lower = better
Jack Leiter
10.3%
Slade Cecconi
8.9%
xwOBA Allowedlg .315 · lower = better
Jack Leiter
.336
Slade Cecconi
.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
3.985.61
lg xERA 4.10
now 4.34
4.59
Slade Cecconi
3.985.61
lg xERA 4.10
now 5.25
4.55
WHIPlower is better
Jack Leiter
1.261.56
now 1.33
1.37
Slade Cecconi
1.261.56
now 1.49
1.38

Volume · rest of season
Strikeoutshigher is better
Jack Leiter
40103.60
now 74
0
Slade Cecconi
40103.60
now 50
0
Winshigher is better
Jack Leiter
.0004.20
now 3
0–0
Slade Cecconi
.0004.20
now 3
0–0

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

If you already own them — trade angle
SellJack Leiter — sell.conf 0.78
SellSlade Cecconi — sell.conf 0.76
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