MLB Daily DeltaWeek 20 · August 7, 2026
Portrait of Blake Treinen
Blake Treinen
LAD · P
Change to
Portrait of Ryan Rolison
Ryan Rolison
CHC · P
Change to
Who's more valuable, rest of season

Blake Treinen.

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

Head-to-head
K
ERA
WHIP
W
SV

Blake Treinen wins 2 categories (K, SV); Ryan Rolison wins 1 (W); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Blake Treinen
94.6
Ryan Rolison
94.6
Swinging-Strike %lg 11.0% · higher = better
Blake Treinen
12.3%
Ryan Rolison
9.9%
Strikeout %lg 22.0% · higher = better
Blake Treinen
25.0%
Ryan Rolison
25.7%
Chase %lg 28.5% · higher = better
Blake Treinen
35.5%
Ryan Rolison
25.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Blake Treinen
42.2%
Ryan Rolison
42.3%
Barrel % Allowedlg 8.0% · lower = better
Blake Treinen
12.5%
Ryan Rolison
6.2%
xwOBA Allowedlg .315 · lower = better
Blake Treinen
.348
Ryan Rolison
.303
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
Blake Treinen
2.574.02
lg xERA 4.10
now 3.06
3.70
Ryan Rolison
2.574.02
lg xERA 4.10
now 2.89
3.70
WHIPlower is better
Blake Treinen
1.171.46
now 1.25
1.24
Ryan Rolison
1.171.46
now 1.39
1.24

Volume · rest of season
Strikeoutshigher is better
Blake Treinen
4023.60
now 18
14
Ryan Rolison
4023.60
now 16
10
Winshigher is better
Blake Treinen
.0005.60
now 1
01
Ryan Rolison
.0005.60
now 3
14
Saveshigher is better
Blake Treinen
.0002.40
now 1
01
Ryan Rolison
.0002.40
now 0
0
If you already own them — trade angle
Hold · wait & seeBlake Treinen — hold.conf 0.50
Hold · wait & seeRyan Rolison — hold.conf 0.50
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