MLB Daily DeltaWeek 19 · August 2, 2026
Portrait of Grant Holmes
Grant Holmes
ATL · P
Change to
Portrait of Luis Castillo
Luis Castillo
CWS · 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. Grant Holmes’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

Luis Castillo wins 2 categories (K, WHIP); Grant Holmes wins 1 (W); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Grant Holmes
94.2
Luis Castillo
95.3
Swinging-Strike %lg 11.0% · higher = better
Grant Holmes
12.9%
Luis Castillo
12.4%
Strikeout %lg 22.0% · higher = better
Grant Holmes
19.6%
Luis Castillo
19.4%
Chase %lg 28.5% · higher = better
Grant Holmes
31.5%
Luis Castillo
32.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Grant Holmes
42.9%
Luis Castillo
41.7%
Barrel % Allowedlg 8.0% · lower = better
Grant Holmes
9.7%
Luis Castillo
9.7%
xwOBA Allowedlg .315 · lower = better
Grant Holmes
.337
Luis Castillo
.337
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
Grant Holmes
3.326.16
lg xERA 4.10
now 3.95
4.57
Luis Castillo
3.326.16
lg xERA 4.10
now 5.53
4.57
WHIPlower is better
Grant Holmes
1.261.52
now 1.33
1.38
Luis Castillo
1.261.52
now 1.45
1.34

Volume · rest of season
Strikeoutshigher is better
Grant Holmes
4061.60
now 53
43
Luis Castillo
4061.60
now 56
46
Winshigher is better
Grant Holmes
.2003.80
now 3
13
Luis Castillo
.2003.80
now 2
12

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

If you already own them — trade angle
Sell HighGrant Holmes — sell high. His value is peaking; good time to trade him.conf 0.95
SellLuis Castillo — sell.conf 0.77
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