MLB Daily DeltaWeek 17 · July 19, 2026
Portrait of Mitch Keller
Mitch Keller
PIT · P
Change to
Portrait of Steven Matz
Steven Matz
TB · P
Change to
Who's more valuable, rest of season

Mitch Keller.

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

Mitch Keller wins 2 categories (K, ERA); Steven Matz wins 1 (W); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Mitch Keller
93.4
Steven Matz
93.3
Swinging-Strike %lg 11.0% · higher = better
Mitch Keller
9.6%
Steven Matz
10.3%
Strikeout %lg 22.0% · higher = better
Mitch Keller
17.4%
Steven Matz
17.8%
Chase %lg 28.5% · higher = better
Mitch Keller
29.7%
Steven Matz
27.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Mitch Keller
42.6%
Steven Matz
36.1%
Barrel % Allowedlg 8.0% · lower = better
Mitch Keller
7.4%
Steven Matz
13.0%
xwOBA Allowedlg .315 · lower = better
Mitch Keller
.354
Steven Matz
.366
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
Mitch Keller
4.015.55
lg xERA 4.10
now 4.35
4.93
Steven Matz
4.015.55
lg xERA 4.10
now 4.67
5.21
WHIPlower is better
Mitch Keller
1.091.45
now 1.17
1.37
Steven Matz
1.091.45
now 1.24
1.37

Volume · rest of season
Strikeoutshigher is better
Mitch Keller
4057.40
now 51
47
Steven Matz
4057.40
now 35
45
Winshigher is better
Mitch Keller
1.807.20
now 5
36
Steven Matz
1.807.20
now 4
36

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

If you already own them — trade angle
SellMitch Keller — sell.conf 0.90
SellSteven Matz — sell.conf 0.90
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