MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Casey Mize
Casey Mize
DET · P
Change to
Portrait of Landen Roupp
Landen Roupp
SF · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Casey Mize wins 2 (ERA, WHIP); Landen Roupp wins 2 (K, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Casey Mize
93.4
Landen Roupp
92.8
Swinging-Strike %lg 11.0% · higher = better
Casey Mize
13.2%
Landen Roupp
11.1%
Strikeout %lg 22.0% · higher = better
Casey Mize
25.2%
Landen Roupp
26.2%
Chase %lg 28.5% · higher = better
Casey Mize
29.9%
Landen Roupp
29.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Casey Mize
35.7%
Landen Roupp
29.9%
Barrel % Allowedlg 8.0% · lower = better
Casey Mize
7.9%
Landen Roupp
3.6%
xwOBA Allowedlg .315 · lower = better
Casey Mize
.274
Landen Roupp
.289
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
25
lg xERA 4.10
now 2.27
3.01
Landen Roupp
25
lg xERA 4.10
now 4.22
3.36
WHIPlower is better
Casey Mize
.9001.50
now 0.97
1.20
Landen Roupp
.9001.50
now 1.31
1.35

Volume · rest of season
Strikeoutshigher is better
Casey Mize
40112
now 49
75
Landen Roupp
40112
now 72
94
Winshigher is better
Casey Mize
.00013.20
now 2
25
Landen Roupp
.00013.20
now 5
410

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

If you already own them — trade angle
Sell HighCasey Mize — sell high. His value is peaking; good time to trade him.conf 0.82
BuyLanden Roupp — buy.conf 0.82
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