MLB Daily DeltaWeek 19 · August 3, 2026
Portrait of Luis Castillo
Luis Castillo
CWS · P
Change to
Patrick Sandoval
BOS · 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

Luis Castillo wins 2 (K, W); Patrick Sandoval wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Luis Castillo
95.3
Patrick Sandoval
93.9
Swinging-Strike %lg 11.0% · higher = better
Luis Castillo
12.4%
Patrick Sandoval
12.6%
Strikeout %lg 22.0% · higher = better
Luis Castillo
19.4%
Patrick Sandoval
23.3%
Chase %lg 28.5% · higher = better
Luis Castillo
32.9%
Patrick Sandoval
31.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Luis Castillo
41.7%
Patrick Sandoval
35.6%
Barrel % Allowedlg 8.0% · lower = better
Luis Castillo
9.7%
Patrick Sandoval
5.1%
xwOBA Allowedlg .315 · lower = better
Luis Castillo
.337
Patrick Sandoval
.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
Luis Castillo
26.91
lg xERA 4.10
now 5.53
4.57
Patrick Sandoval
26.91
lg xERA 4.10
now 2.08
4.10
WHIPlower is better
Luis Castillo
1.231.52
now 1.45
1.34
Patrick Sandoval
1.231.52
now 1.38
1.30

Volume · rest of season
Strikeoutshigher is better
Luis Castillo
4076.40
now 56
45
Patrick Sandoval
4076.40
now 5
36
Winshigher is better
Luis Castillo
.0002.80
now 2
12
Patrick Sandoval
.0002.80
now 0
00

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

If you already own them — trade angle
SellLuis Castillo — sell.conf 0.77
Hold · wait & seePatrick Sandoval — hold.conf 0.50
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