MLB Daily DeltaWeek 14 · June 29, 2026
Portrait of Blas Castaño
Blas Castaño
COL · P
Change to
Portrait of Ron Marinaccio
Ron Marinaccio
SD · 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 (ERA, WHIP); Ron Marinaccio wins 2 (K, 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
Ron Marinaccio
93.8
Swinging-Strike %lg 11.0% · higher = better
Blas Castaño
9.0%
Ron Marinaccio
12.6%
Strikeout %lg 22.0% · higher = better
Blas Castaño
20.0%
Ron Marinaccio
19.3%
Chase %lg 28.5% · higher = better
Blas Castaño
28.1%
Ron Marinaccio
26.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Blas Castaño
50.0%
Ron Marinaccio
40.8%
Barrel % Allowedlg 8.0% · lower = better
Blas Castaño
10.0%
Ron Marinaccio
7.5%
xwOBA Allowedlg .315 · lower = better
Blas Castaño
.368
Ron Marinaccio
.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
3.225.39
lg xERA 4.10
now 4.91
3.70
Ron Marinaccio
3.225.39
lg xERA 4.10
now 4.06
3.78
WHIPlower is better
Blas Castaño
1.161.53
now 1.45
1.24
Ron Marinaccio
1.161.53
now 1.26
1.26

Volume · rest of season
Strikeoutshigher is better
Blas Castaño
4042.20
now 10
32
Ron Marinaccio
4042.20
now 25
33
Winshigher is better
Blas Castaño
.0002.80
now 0
00
Ron Marinaccio
.0002.80
now 1
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 & seeRon Marinaccio — hold.conf 0.50
Tweet