MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Blas Castaño
Blas Castaño
COL · P
Change to
Javier Assad
CHC · P
Change to
Who's more valuable, rest of season

Blas Castaño.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and WHIP. Javier Assad’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

Blas Castaño wins 3 categories (K, ERA, WHIP); Javier Assad wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Blas Castaño
94.6
Javier Assad
93.4
Swinging-Strike %lg 11.0% · higher = better
Blas Castaño
8.9%
Javier Assad
6.5%
Strikeout %lg 22.0% · higher = better
Blas Castaño
19.4%
Javier Assad
16.5%
Chase %lg 28.5% · higher = better
Blas Castaño
29.1%
Javier Assad
22.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Blas Castaño
47.1%
Javier Assad
45.7%
Barrel % Allowedlg 8.0% · lower = better
Blas Castaño
8.6%
Javier Assad
6.8%
xwOBA Allowedlg .315 · lower = better
Blas Castaño
.361
Javier Assad
.330
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
Blas Castaño
2.836.75
lg xERA 4.10
now 4.91
3.70
Javier Assad
2.836.75
lg xERA 4.10
now 5.88
4.30
WHIPlower is better
Blas Castaño
1.161.53
now 1.45
1.24
Javier Assad
1.161.53
now 1.27
1.30

Volume · rest of season
Strikeoutshigher is better
Blas Castaño
4019.60
now 10
6
Javier Assad
4019.60
now 14
5
Winshigher is better
Blas Castaño
.0004.20
now 0
00
Javier Assad
.0004.20
now 3
11

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

If you already own them — trade angle
Hold · wait & seeBlas Castaño — hold.conf 0.50
Sell HighJavier Assad — sell high. His value is peaking; good time to trade him.conf 0.95
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