MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Casey Mize
Casey Mize
SD · P
Change to
Portrait of Michael Wacha
Michael Wacha
KC · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 11, 2 even. Take whoever fills a bigger need.

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

Casey Mize wins 1 (ERA); Michael Wacha wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Casey Mize
93.4
Michael Wacha
93.1
Swinging-Strike %lg 11.0% · higher = better
Casey Mize
11.7%
Michael Wacha
10.7%
Strikeout %lg 22.0% · higher = better
Casey Mize
22.0%
Michael Wacha
20.0%
Chase %lg 28.5% · higher = better
Casey Mize
29.3%
Michael Wacha
29.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Casey Mize
39.7%
Michael Wacha
35.9%
Barrel % Allowedlg 8.0% · lower = better
Casey Mize
8.3%
Michael Wacha
6.7%
xwOBA Allowedlg .315 · lower = better
Casey Mize
.289
Michael Wacha
.304
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
Casey Mize
24.50
lg xERA 4.10
now 2.27
3.47
Michael Wacha
24.50
lg xERA 4.10
now 3.23
3.86
WHIPlower is better
Casey Mize
.9001.31
now 0.97
1.21
Michael Wacha
.9001.31
now 1.12
1.20

Volume · rest of season
Strikeoutshigher is better
Casey Mize
4086.20
now 49
12
Michael Wacha
4086.20
now 65
12
Winshigher is better
Casey Mize
.0005.60
now 2
01
Michael Wacha
.0005.60
now 4
01

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

If you already own them — trade angle
BuyCasey Mize — buy.conf 0.79
Sell HighMichael Wacha — sell high. His value is peaking; good time to trade him.conf 0.89
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