MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Jack Kochanowicz
Jack Kochanowicz
LAA · P
Change to
Shane Bieber
TOR · P
Change to
Who's more valuable, rest of season

Jack Kochanowicz.

He projects to help you in more roto categories the rest of the way — strikeouts and ERA.

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

Jack Kochanowicz wins 2 categories (K, ERA); Shane Bieber wins 1 (WHIP); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jack Kochanowicz
96.2
Shane Bieber
92.3
Swinging-Strike %lg 11.0% · higher = better
Jack Kochanowicz
10.7%
Shane Bieber
10.1%
Strikeout %lg 22.0% · higher = better
Jack Kochanowicz
15.9%
Shane Bieber
18.2%
Chase %lg 28.5% · higher = better
Jack Kochanowicz
25.6%
Shane Bieber
29.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Kochanowicz
42.8%
Shane Bieber
46.0%
Barrel % Allowedlg 8.0% · lower = better
Jack Kochanowicz
7.2%
Shane Bieber
10.9%
xwOBA Allowedlg .315 · lower = better
Jack Kochanowicz
.359
Shane Bieber
.368
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 Kochanowicz
4.716.37
lg xERA 4.10
now 5.23
5.08
Shane Bieber
4.716.37
lg xERA 4.10
now 6.00
5.30
WHIPlower is better
Jack Kochanowicz
1.172.24
now 1.48
1.52
Shane Bieber
1.172.24
now 2.00
1.41

Volume · rest of season
Strikeoutshigher is better
Jack Kochanowicz
4062
now 46
9
Shane Bieber
4062
now 6
8
Winshigher is better
Jack Kochanowicz
.0002.80
now 2
01
Shane Bieber
.0002.80
now 0
00

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

If you already own them — trade angle
SellJack Kochanowicz — sell.conf 0.90
Sell HighShane Bieber — sell high. His value is peaking; good time to trade him.conf 0.95
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