MLB Daily DeltaWeek 19 · August 4, 2026
Portrait of Blas Castaño
Blas Castaño
COL · P
Change to
Portrait of Ryan Thompson
Ryan Thompson
AZ · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 11, 2 even. Take whoever fills a bigger need.

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

Blas Castaño wins 1 (K); Ryan Thompson wins 1 (W); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Blas Castaño
94.5
Ryan Thompson
91.0
Swinging-Strike %lg 11.0% · higher = better
Blas Castaño
9.0%
Ryan Thompson
9.5%
Strikeout %lg 22.0% · higher = better
Blas Castaño
20.0%
Ryan Thompson
16.0%
Chase %lg 28.5% · higher = better
Blas Castaño
28.1%
Ryan Thompson
35.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Blas Castaño
50.0%
Ryan Thompson
32.8%
Barrel % Allowedlg 8.0% · lower = better
Blas Castaño
10.0%
Ryan Thompson
4.4%
xwOBA Allowedlg .315 · lower = better
Blas Castaño
.367
Ryan Thompson
.308
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
25.77
lg xERA 4.10
now 4.91
3.70
Ryan Thompson
25.77
lg xERA 4.10
now 2.75
3.70
WHIPlower is better
Blas Castaño
1.061.56
now 1.45
1.24
Ryan Thompson
1.061.56
now 1.17
1.24

Volume · rest of season
Strikeoutshigher is better
Blas Castaño
4024.60
now 10
19
Ryan Thompson
4024.60
now 12
10
Winshigher is better
Blas Castaño
.0002.80
now 0
00
Ryan Thompson
.0002.80
now 2
12

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 & seeRyan Thompson — hold.conf 0.50
Tweet