MLB Daily DeltaWeek 20 · August 7, 2026
Portrait of Blas Castaño
Blas Castaño
COL · P
Change to
Portrait of Tyler Holton
Tyler Holton
DET · 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

Blas Castaño wins 2 (K, WHIP); Tyler Holton wins 2 (ERA, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Blas Castaño
94.5
Tyler Holton
91.5
Swinging-Strike %lg 11.0% · higher = better
Blas Castaño
9.0%
Tyler Holton
10.9%
Strikeout %lg 22.0% · higher = better
Blas Castaño
20.0%
Tyler Holton
17.8%
Chase %lg 28.5% · higher = better
Blas Castaño
28.1%
Tyler Holton
28.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Blas Castaño
50.0%
Tyler Holton
37.8%
Barrel % Allowedlg 8.0% · lower = better
Blas Castaño
10.0%
Tyler Holton
5.5%
xwOBA Allowedlg .315 · lower = better
Blas Castaño
.367
Tyler Holton
.297
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
3.165.41
lg xERA 4.10
now 4.91
3.70
Tyler Holton
3.165.41
lg xERA 4.10
now 4.23
3.66
WHIPlower is better
Blas Castaño
1.161.53
now 1.45
1.24
Tyler Holton
1.161.53
now 1.37
1.29

Volume · rest of season
Strikeoutshigher is better
Blas Castaño
4029.60
now 10
18
Tyler Holton
4029.60
now 24
15
Winshigher is better
Blas Castaño
.0001.48
now 0
00
Tyler Holton
.0001.48
now 1
01

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

If you already own them — trade angle
Hold · wait & seeBlas Castaño — hold.conf 0.50
BuyTyler Holton — buy.conf 0.73
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