MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Brayan Bello
Brayan Bello
BOS · 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 0–0, 4 even. Take whoever fills a bigger need.

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

Brayan Bello wins 0 (none); Jack Leiter wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Brayan Bello
95.8
Jack Leiter
96.7
Swinging-Strike %lg 11.0% · higher = better
Brayan Bello
12.3%
Jack Leiter
12.2%
Strikeout %lg 22.0% · higher = better
Brayan Bello
18.3%
Jack Leiter
23.4%
Chase %lg 28.5% · higher = better
Brayan Bello
32.6%
Jack Leiter
30.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Brayan Bello
40.2%
Jack Leiter
39.9%
Barrel % Allowedlg 8.0% · lower = better
Brayan Bello
7.3%
Jack Leiter
10.3%
xwOBA Allowedlg .315 · lower = better
Brayan Bello
.337
Jack Leiter
.336
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
Brayan Bello
3.826.15
lg xERA 4.10
now 5.63
4.61
Jack Leiter
3.826.15
lg xERA 4.10
now 4.34
4.59
WHIPlower is better
Brayan Bello
1.211.76
now 1.64
1.37
Jack Leiter
1.211.76
now 1.33
1.37

Volume · rest of season
Strikeoutshigher is better
Brayan Bello
40103.60
now 40
0
Jack Leiter
40103.60
now 74
0
Winshigher is better
Brayan Bello
.0004.20
now 2
0–0
Jack Leiter
.0004.20
now 3
0–0

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

If you already own them — trade angle
SellBrayan Bello — sell.conf 0.78
SellJack Leiter — sell.conf 0.78
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