MLB Daily DeltaWeek 19 · July 30, 2026
Portrait of Janson Junk
Janson Junk
MIA · P
Change to
Portrait of Luis Castillo
Luis Castillo
SEA · P
Change to
Who's more valuable, rest of season

Janson Junk.

He projects to help you in more roto categories the rest of the way — ERA and WHIP.

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

Janson Junk wins 2 categories (ERA, WHIP); Luis Castillo wins 1 (K); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Janson Junk
94.3
Luis Castillo
95.3
Swinging-Strike %lg 11.0% · higher = better
Janson Junk
8.4%
Luis Castillo
12.4%
Strikeout %lg 22.0% · higher = better
Janson Junk
18.0%
Luis Castillo
19.4%
Chase %lg 28.5% · higher = better
Janson Junk
28.0%
Luis Castillo
32.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Janson Junk
41.4%
Luis Castillo
41.7%
Barrel % Allowedlg 8.0% · lower = better
Janson Junk
6.8%
Luis Castillo
9.7%
xwOBA Allowedlg .315 · lower = better
Janson Junk
.310
Luis Castillo
.337
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
Janson Junk
3.446.13
lg xERA 4.10
now 4.80
4.04
Luis Castillo
3.446.13
lg xERA 4.10
now 5.53
4.59
WHIPlower is better
Janson Junk
1.231.52
now 1.30
1.33
Luis Castillo
1.231.52
now 1.45
1.34

Volume · rest of season
Strikeoutshigher is better
Janson Junk
4065.20
now 43
33
Luis Castillo
4065.20
now 56
49
Winshigher is better
Janson Junk
.2003.80
now 3
23
Luis Castillo
.2003.80
now 2
12

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

If you already own them — trade angle
Hold · steadyJanson Junk — hold.conf 0.60
SellLuis Castillo — sell.conf 0.78
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