MLB Daily DeltaWeek 19 · July 31, 2026
Portrait of Steven Matz
Steven Matz
TB · 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); Steven Matz wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Steven Matz
93.3
Tanner Bibee
94.0
Swinging-Strike %lg 11.0% · higher = better
Steven Matz
10.1%
Tanner Bibee
11.2%
Strikeout %lg 22.0% · higher = better
Steven Matz
17.4%
Tanner Bibee
19.0%
Chase %lg 28.5% · higher = better
Steven Matz
27.4%
Tanner Bibee
26.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Steven Matz
36.2%
Tanner Bibee
40.1%
Barrel % Allowedlg 8.0% · lower = better
Steven Matz
12.6%
Tanner Bibee
8.6%
xwOBA Allowedlg .315 · lower = better
Steven Matz
.361
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
Steven Matz
4.055.44
lg xERA 4.10
now 4.67
5.13
Tanner Bibee
4.055.44
lg xERA 4.10
now 4.57
4.36
WHIPlower is better
Steven Matz
1.171.44
now 1.24
1.37
Tanner Bibee
1.171.44
now 1.30
1.29

Volume · rest of season
Strikeoutshigher is better
Steven Matz
4070
now 35
37
Tanner Bibee
4070
now 60
43
Winshigher is better
Steven Matz
.0007
now 4
25
Tanner Bibee
.0007
now 0
00

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

If you already own them — trade angle
SellSteven Matz — sell.conf 0.90
Sell HighTanner Bibee — sell high. His value is peaking; good time to trade him.conf 0.89
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