MLB Daily DeltaWeek 14 · June 29, 2026
Portrait of Justin Slaten
Justin Slaten
BOS · P
Change to
Portrait of Seth Halvorsen
Seth Halvorsen
COL · 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.

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

Justin Slaten wins 1 categories (K); Seth Halvorsen 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
Justin Slaten
96.6
Seth Halvorsen
98.9
Swinging-Strike %lg 11.0% · higher = better
Justin Slaten
12.9%
Seth Halvorsen
11.3%
Strikeout %lg 22.0% · higher = better
Justin Slaten
28.2%
Seth Halvorsen
20.5%
Chase %lg 28.5% · higher = better
Justin Slaten
27.2%
Seth Halvorsen
26.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Justin Slaten
43.1%
Seth Halvorsen
40.4%
Barrel % Allowedlg 8.0% · lower = better
Justin Slaten
7.8%
Seth Halvorsen
5.8%
xwOBA Allowedlg .315 · lower = better
Justin Slaten
.300
Seth Halvorsen
.392
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
Justin Slaten
2.614.01
lg xERA 4.10
now 3.60
3.70
Seth Halvorsen
2.614.01
lg xERA 4.10
now 2.92
3.70
WHIPlower is better
Justin Slaten
1.121.66
now 1.30
1.24
Seth Halvorsen
1.121.66
now 1.54
1.24

Volume · rest of season
Strikeoutshigher is better
Justin Slaten
4035.40
now 14
29
Seth Halvorsen
4035.40
now 13
28
Winshigher is better
Justin Slaten
.000.480
now 0
00
Seth Halvorsen
.000.480
now 0
00

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

If you already own them — trade angle
Buy LowJustin Slaten — buy low. The dip is a window to acquire.conf 0.90
Sell HighSeth Halvorsen — sell high. His value is peaking; good time to trade him.conf 0.95
Tweet