MLB Daily DeltaWeek 19 · July 30, 2026
Portrait of Kumar Rocker
Kumar Rocker
TEX · P
Change to
Portrait of Tanner Bibee
Tanner Bibee
CLE · P
Change to
Who's more valuable, rest of season

Tanner Bibee.

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

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

Tanner Bibee wins 3 categories (K, ERA, WHIP); Kumar Rocker wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Kumar Rocker
94.4
Tanner Bibee
94.0
Swinging-Strike %lg 11.0% · higher = better
Kumar Rocker
12.4%
Tanner Bibee
11.2%
Strikeout %lg 22.0% · higher = better
Kumar Rocker
21.3%
Tanner Bibee
19.0%
Chase %lg 28.5% · higher = better
Kumar Rocker
31.7%
Tanner Bibee
26.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Kumar Rocker
42.1%
Tanner Bibee
40.1%
Barrel % Allowedlg 8.0% · lower = better
Kumar Rocker
7.3%
Tanner Bibee
8.6%
xwOBA Allowedlg .315 · lower = better
Kumar Rocker
.329
Tanner Bibee
.326
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
Kumar Rocker
3.134.98
lg xERA 4.10
now 3.54
4.42
Tanner Bibee
3.134.98
lg xERA 4.10
now 4.57
4.37
WHIPlower is better
Kumar Rocker
1.221.41
now 1.32
1.34
Tanner Bibee
1.221.41
now 1.30
1.29

Volume · rest of season
Strikeoutshigher is better
Kumar Rocker
4070
now 44
35
Tanner Bibee
4070
now 60
44
Winshigher is better
Kumar Rocker
.0002.80
now 2
12
Tanner Bibee
.0002.80
now 0
00

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

If you already own them — trade angle
SellKumar Rocker — sell.conf 0.70
Sell HighTanner Bibee — sell high. His value is peaking; good time to trade him.conf 0.90
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