MLB Daily DeltaWeek 18 · July 23, 2026
Lance McCullers Jr.
MIL · P
Change to
Portrait of Luis Castillo
Luis Castillo
SEA · P
Change to
Who's more valuable, rest of season

Luis Castillo.

He projects to help you in more roto categories the rest of the way — strikeouts and WHIP.

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

Luis Castillo wins 2 categories (K, WHIP); Lance McCullers Jr. wins 1 (ERA); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Lance McCullers Jr.
91.6
Luis Castillo
95.3
Swinging-Strike %lg 11.0% · higher = better
Lance McCullers Jr.
11.7%
Luis Castillo
12.4%
Strikeout %lg 22.0% · higher = better
Lance McCullers Jr.
25.5%
Luis Castillo
20.1%
Chase %lg 28.5% · higher = better
Lance McCullers Jr.
26.8%
Luis Castillo
32.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Lance McCullers Jr.
49.1%
Luis Castillo
41.1%
Barrel % Allowedlg 8.0% · lower = better
Lance McCullers Jr.
8.0%
Luis Castillo
9.4%
xwOBA Allowedlg .315 · lower = better
Lance McCullers Jr.
.325
Luis Castillo
.323
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
Lance McCullers Jr.
3.087.94
lg xERA 4.10
now 6.86
4.16
Luis Castillo
3.087.94
lg xERA 4.10
now 5.53
4.29
WHIPlower is better
Lance McCullers Jr.
1.241.61
now 1.53
1.33
Luis Castillo
1.241.61
now 1.45
1.32

Volume · rest of season
Strikeoutshigher is better
Lance McCullers Jr.
4061.60
now 43
52
Luis Castillo
4061.60
now 56
55
Winshigher is better
Lance McCullers Jr.
.2003.80
now 2
23
Luis Castillo
.2003.80
now 2
13

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

If you already own them — trade angle
Hold · wait & seeLance McCullers Jr. — hold.conf 0.50
SellLuis Castillo — sell.conf 0.64
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