MLB Daily DeltaWeek 18 · July 27, 2026
Portrait of Blake Treinen
Blake Treinen
LAD · P
Change to
Portrait of Ryan Zeferjahn
Ryan Zeferjahn
LAA · P
Change to
Who's more valuable, rest of season

Ryan Zeferjahn.

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

Head-to-head
K
ERA
WHIP
W
SV

Ryan Zeferjahn wins 2 categories (K, ERA); Blake Treinen wins 1 (WHIP); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Blake Treinen
94.6
Ryan Zeferjahn
97.4
Swinging-Strike %lg 11.0% · higher = better
Blake Treinen
12.3%
Ryan Zeferjahn
13.7%
Strikeout %lg 22.0% · higher = better
Blake Treinen
25.0%
Ryan Zeferjahn
32.4%
Chase %lg 28.5% · higher = better
Blake Treinen
35.5%
Ryan Zeferjahn
23.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Blake Treinen
42.2%
Ryan Zeferjahn
34.0%
Barrel % Allowedlg 8.0% · lower = better
Blake Treinen
12.5%
Ryan Zeferjahn
6.0%
xwOBA Allowedlg .315 · lower = better
Blake Treinen
.348
Ryan Zeferjahn
.273
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
26.81
lg xERA 4.10
now 3.06
3.70
Ryan Zeferjahn
26.81
lg xERA 4.10
now 5.74
3.08
WHIPlower is better
Blake Treinen
1.171.46
now 1.25
1.24
Ryan Zeferjahn
1.171.46
now 1.39
1.36

Volume · rest of season
Strikeoutshigher is better
Blake Treinen
4038
now 18
17
Ryan Zeferjahn
4038
now 32
22
Winshigher is better
Blake Treinen
.5202.48
now 1
11
Ryan Zeferjahn
.5202.48
now 2
12
Saveshigher is better
Blake Treinen
.0003.40
now 1
02
Ryan Zeferjahn
.0003.40
now 1
01
If you already own them — trade angle
Hold · wait & seeBlake Treinen — hold.conf 0.50
BuyRyan Zeferjahn — buy.conf 0.91
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