MLB Daily DeltaWeek 18 · July 29, 2026
Portrait of Ryan Zeferjahn
Ryan Zeferjahn
LAA · P
Change to
Portrait of Will Klein
Will Klein
LAD · 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); Will Klein wins 1 (WHIP); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Ryan Zeferjahn
97.4
Will Klein
97.6
Swinging-Strike %lg 11.0% · higher = better
Ryan Zeferjahn
13.8%
Will Klein
10.2%
Strikeout %lg 22.0% · higher = better
Ryan Zeferjahn
32.9%
Will Klein
25.6%
Chase %lg 28.5% · higher = better
Ryan Zeferjahn
23.5%
Will Klein
28.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Ryan Zeferjahn
36.2%
Will Klein
39.3%
Barrel % Allowedlg 8.0% · lower = better
Ryan Zeferjahn
5.7%
Will Klein
2.7%
xwOBA Allowedlg .315 · lower = better
Ryan Zeferjahn
.274
Will Klein
.287
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
Ryan Zeferjahn
27.28
lg xERA 4.10
now 5.74
3.11
Will Klein
27.28
lg xERA 4.10
now 1.88
3.69
WHIPlower is better
Ryan Zeferjahn
.9001.53
now 1.39
1.34
Will Klein
.9001.53
now 1.04
1.25

Volume · rest of season
Strikeoutshigher is better
Ryan Zeferjahn
4037.60
now 32
21
Will Klein
4037.60
now 25
20
Winshigher is better
Ryan Zeferjahn
.0002.80
now 2
12
Will Klein
.0002.80
now 1
01
Saveshigher is better
Ryan Zeferjahn
.0002.40
now 1
01
Will Klein
.0002.40
now 1
01
If you already own them — trade angle
BuyRyan Zeferjahn — buy.conf 0.90
Hold · wait & seeWill Klein — hold.conf 0.50
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