MLB Daily DeltaWeek 16 · July 10, 2026
Portrait of Ethan Roberts
Ethan Roberts
CHC · P
Change to
Portrait of Justin Slaten
Justin Slaten
BOS · P
Change to
Who's more valuable, rest of season

Justin Slaten.

He projects to help you in more roto categories the rest of the way — strikeouts. Ethan Roberts’s box score looks better right now, but it’s built on luck that won’t hold.

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

Justin Slaten wins 1 categories (K); Ethan Roberts wins 0 (none); 3 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Ethan Roberts
93.6
Justin Slaten
96.6
Swinging-Strike %lg 11.0% · higher = better
Ethan Roberts
9.8%
Justin Slaten
13.1%
Strikeout %lg 22.0% · higher = better
Ethan Roberts
15.5%
Justin Slaten
29.8%
Chase %lg 28.5% · higher = better
Ethan Roberts
25.1%
Justin Slaten
31.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Ethan Roberts
44.7%
Justin Slaten
41.0%
Barrel % Allowedlg 8.0% · lower = better
Ethan Roberts
3.9%
Justin Slaten
6.6%
xwOBA Allowedlg .315 · lower = better
Ethan Roberts
.342
Justin Slaten
.280
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
Ethan Roberts
24.50
lg xERA 4.10
now 1.69
3.70
Justin Slaten
24.50
lg xERA 4.10
now 3.60
3.70
WHIPlower is better
Ethan Roberts
.9001.42
now 1.00
1.24
Justin Slaten
.9001.42
now 1.30
1.24

Volume · rest of season
Strikeoutshigher is better
Ethan Roberts
4029.60
now 12
22
Justin Slaten
4029.60
now 14
24
Winshigher is better
Ethan Roberts
.000.480
now 0
00
Justin Slaten
.000.480
now 0
00

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

If you already own them — trade angle
Sell HighEthan Roberts — sell high. His value is peaking; good time to trade him.conf 0.85
Buy LowJustin Slaten — buy low. The dip is a window to acquire.conf 0.90
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