MLB Daily DeltaWeek 17 · July 19, 2026
Portrait of Blas Castaño
Blas Castaño
COL · P
Change to
Jimmy Herget
COL · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 11, 3 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Blas Castaño wins 1 (K); Jimmy Herget wins 1 (SV); 3 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Blas Castaño
94.5
Jimmy Herget
92.0
Swinging-Strike %lg 11.0% · higher = better
Blas Castaño
9.0%
Jimmy Herget
14.3%
Strikeout %lg 22.0% · higher = better
Blas Castaño
20.0%
Jimmy Herget
24.1%
Chase %lg 28.5% · higher = better
Blas Castaño
28.1%
Jimmy Herget
31.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Blas Castaño
50.0%
Jimmy Herget
40.5%
Barrel % Allowedlg 8.0% · lower = better
Blas Castaño
10.0%
Jimmy Herget
9.5%
xwOBA Allowedlg .315 · lower = better
Blas Castaño
.367
Jimmy Herget
.289
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
3.165.60
lg xERA 4.10
now 4.91
3.70
Jimmy Herget
3.165.60
lg xERA 4.10
now 5.06
3.70
WHIPlower is better
Blas Castaño
1.161.53
now 1.45
1.24
Jimmy Herget
1.161.53
now 1.38
1.24

Volume · rest of season
Strikeoutshigher is better
Blas Castaño
4031
now 10
25
Jimmy Herget
4031
now 17
20
Winshigher is better
Blas Castaño
.000.480
now 0
00
Jimmy Herget
.000.480
now 0
00
Saveshigher is better
Blas Castaño
.0003.40
now 0
0
Jimmy Herget
.0003.40
now 1
02
If you already own them — trade angle
Hold · wait & seeBlas Castaño — hold.conf 0.50
Buy LowJimmy Herget — buy low. The dip is a window to acquire.conf 0.83
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