MLB Daily DeltaWeek 15 · July 3, 2026
Portrait of Blas Castaño
Blas Castaño
COL · P
Change to
Portrait of Gavin Collyer
Gavin Collyer
TEX · 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); Gavin Collyer 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
Gavin Collyer
97.4
Swinging-Strike %lg 11.0% · higher = better
Blas Castaño
9.0%
Gavin Collyer
8.9%
Strikeout %lg 22.0% · higher = better
Blas Castaño
20.0%
Gavin Collyer
19.7%
Chase %lg 28.5% · higher = better
Blas Castaño
28.1%
Gavin Collyer
21.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Blas Castaño
50.0%
Gavin Collyer
26.2%
Barrel % Allowedlg 8.0% · lower = better
Blas Castaño
10.0%
Gavin Collyer
2.4%
xwOBA Allowedlg .315 · lower = better
Blas Castaño
.368
Gavin Collyer
.327
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
Gavin Collyer
3.225.39
lg xERA 4.10
now 3.71
3.70
WHIPlower is better
Blas Castaño
1.161.53
now 1.45
1.24
Gavin Collyer
1.161.53
now 1.41
1.24

Volume · rest of season
Strikeoutshigher is better
Blas Castaño
4039.40
now 10
31
Gavin Collyer
4039.40
now 15
22
Winshigher is better
Blas Castaño
.0002.80
now 0
00
Gavin Collyer
.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
Sell HighGavin Collyer — sell high. His value is peaking; good time to trade him.conf 0.85
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