MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Casey Mize
Casey Mize
SD · P
Change to
Portrait of Kyle Harrison
Kyle Harrison
MIL · 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); Kyle Harrison wins 1 (K); 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
Kyle Harrison
94.7
Swinging-Strike %lg 11.0% · higher = better
Casey Mize
11.7%
Kyle Harrison
13.7%
Strikeout %lg 22.0% · higher = better
Casey Mize
22.0%
Kyle Harrison
28.5%
Chase %lg 28.5% · higher = better
Casey Mize
29.3%
Kyle Harrison
32.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Casey Mize
39.7%
Kyle Harrison
38.0%
Barrel % Allowedlg 8.0% · lower = better
Casey Mize
8.3%
Kyle Harrison
8.3%
xwOBA Allowedlg .315 · lower = better
Casey Mize
.289
Kyle Harrison
.299
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
24.59
lg xERA 4.10
now 2.27
3.47
Kyle Harrison
24.59
lg xERA 4.10
now 1.57
3.73
WHIPlower is better
Casey Mize
.9001.31
now 0.97
1.21
Kyle Harrison
.9001.31
now 1.03
1.21

Volume · rest of season
Strikeoutshigher is better
Casey Mize
4080.60
now 49
12
Kyle Harrison
4080.60
now 61
14
Winshigher is better
Casey Mize
.0008.40
now 2
01
Kyle Harrison
.0008.40
now 6
12

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

If you already own them — trade angle
BuyCasey Mize — buy.conf 0.79
BuyKyle Harrison — buy.conf 0.71
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