MLB Daily DeltaWeek 19 · July 30, 2026
Portrait of Luis Castillo
Luis Castillo
SEA · P
Change to
Portrait of Trevor Rogers
Trevor Rogers
BAL · 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

Luis Castillo wins 1 (K); Trevor Rogers wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Luis Castillo
95.3
Trevor Rogers
93.5
Swinging-Strike %lg 11.0% · higher = better
Luis Castillo
12.4%
Trevor Rogers
12.3%
Strikeout %lg 22.0% · higher = better
Luis Castillo
19.4%
Trevor Rogers
19.1%
Chase %lg 28.5% · higher = better
Luis Castillo
32.9%
Trevor Rogers
34.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Luis Castillo
41.7%
Trevor Rogers
39.2%
Barrel % Allowedlg 8.0% · lower = better
Luis Castillo
9.7%
Trevor Rogers
6.6%
xwOBA Allowedlg .315 · lower = better
Luis Castillo
.337
Trevor Rogers
.313
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
Luis Castillo
3.027.93
lg xERA 4.10
now 5.53
4.59
Trevor Rogers
3.027.93
lg xERA 4.10
now 6.84
4.11
WHIPlower is better
Luis Castillo
1.251.65
now 1.45
1.34
Trevor Rogers
1.251.65
now 1.56
1.34

Volume · rest of season
Strikeoutshigher is better
Luis Castillo
4064
now 56
49
Trevor Rogers
4064
now 38
36
Winshigher is better
Luis Castillo
.5202.48
now 2
12
Trevor Rogers
.5202.48
now 2
12

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

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