MLB Daily DeltaWeek 13 · June 23, 2026
Portrait of Michael Wacha
Michael Wacha
KC · P
Change to
Portrait of Zebby Matthews
Zebby Matthews
MIN · P
Change to
Who's more valuable, rest of season

Zebby Matthews.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and WHIP. Michael Wacha’s box score looks better right now, but it’s built on luck that won’t hold.

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

Zebby Matthews wins 3 categories (K, ERA, WHIP); Michael Wacha wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Michael Wacha
92.9
Zebby Matthews
95.1
Swinging-Strike %lg 11.0% · higher = better
Michael Wacha
11.0%
Zebby Matthews
10.8%
Strikeout %lg 22.0% · higher = better
Michael Wacha
18.8%
Zebby Matthews
19.1%
Chase %lg 28.5% · higher = better
Michael Wacha
30.1%
Zebby Matthews
28.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Michael Wacha
37.1%
Zebby Matthews
39.1%
Barrel % Allowedlg 8.0% · lower = better
Michael Wacha
5.8%
Zebby Matthews
11.3%
xwOBA Allowedlg .315 · lower = better
Michael Wacha
.317
Zebby Matthews
.305
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
Michael Wacha
2.675.19
lg xERA 4.10
now 3.23
4.13
Zebby Matthews
2.675.19
lg xERA 4.10
now 4.63
4.09
WHIPlower is better
Michael Wacha
.9101.44
now 1.12
1.32
Zebby Matthews
.9101.44
now 1.03
1.30

Volume · rest of season
Strikeoutshigher is better
Michael Wacha
40106.60
now 65
80
Zebby Matthews
40106.60
now 24
83
Winshigher is better
Michael Wacha
.0009.40
now 4
37
Zebby Matthews
.0009.40
now 1
24

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

If you already own them — trade angle
Sell HighMichael Wacha — sell high. His value is peaking; good time to trade him.conf 0.85
Hold · wait & seeZebby Matthews — hold.conf 0.50
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