MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Blas Castaño
Blas Castaño
COL · P
Change to
Josh Walker
BAL · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 00, 4 even. Take whoever fills a bigger need.

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

Blas Castaño wins 0 (none); Josh Walker wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Blas Castaño
94.6
Josh Walker
92.9
Swinging-Strike %lg 11.0% · higher = better
Blas Castaño
8.9%
Josh Walker
11.4%
Strikeout %lg 22.0% · higher = better
Blas Castaño
19.4%
Josh Walker
23.2%
Chase %lg 28.5% · higher = better
Blas Castaño
29.1%
Josh Walker
32.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Blas Castaño
47.1%
Josh Walker
37.3%
Barrel % Allowedlg 8.0% · lower = better
Blas Castaño
8.6%
Josh Walker
4.5%
xwOBA Allowedlg .315 · lower = better
Blas Castaño
.361
Josh Walker
.253
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
3.225.39
lg xERA 4.10
now 4.91
3.70
Josh Walker
3.225.39
lg xERA 4.10
now 3.86
3.70
WHIPlower is better
Blas Castaño
.9201.60
now 1.45
1.24
Josh Walker
.9201.60
now 1.07
1.24

Volume · rest of season
Strikeoutshigher is better
Blas Castaño
4015.60
now 10
6
Josh Walker
4015.60
now 6
6
Winshigher is better
Blas Castaño
.000.480
now 0
00
Josh Walker
.000.480
now 0
00

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

If you already own them — trade angle
Hold · wait & seeBlas Castaño — hold.conf 0.50
Hold · wait & seeJosh Walker — hold.conf 0.50
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