MLB Daily DeltaWeek 19 · August 3, 2026
Portrait of Ryan Zeferjahn
Ryan Zeferjahn
LAA · P
Change to
Portrait of Tyler Rogers
Tyler Rogers
TOR · 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 WHIP. Tyler Rogers’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

Ryan Zeferjahn wins 2 categories (K, WHIP); Tyler Rogers wins 1 (ERA); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Ryan Zeferjahn
97.4
Tyler Rogers
83.2
Swinging-Strike %lg 11.0% · higher = better
Ryan Zeferjahn
13.8%
Tyler Rogers
7.1%
Strikeout %lg 22.0% · higher = better
Ryan Zeferjahn
32.9%
Tyler Rogers
13.5%
Chase %lg 28.5% · higher = better
Ryan Zeferjahn
23.5%
Tyler Rogers
27.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Ryan Zeferjahn
36.2%
Tyler Rogers
26.6%
Barrel % Allowedlg 8.0% · lower = better
Ryan Zeferjahn
5.7%
Tyler Rogers
1.3%
xwOBA Allowedlg .315 · lower = better
Ryan Zeferjahn
.274
Tyler Rogers
.256
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
27.09
lg xERA 4.10
now 5.74
3.09
Tyler Rogers
27.09
lg xERA 4.10
now 2.36
2.69
WHIPlower is better
Ryan Zeferjahn
1.031.49
now 1.39
1.34
Tyler Rogers
1.031.49
now 1.13
1.35

Volume · rest of season
Strikeoutshigher is better
Ryan Zeferjahn
4040.40
now 32
19
Tyler Rogers
4040.40
now 16
11
Winshigher is better
Ryan Zeferjahn
.0002.80
now 2
12
Tyler Rogers
.0002.80
now 1
01
Saveshigher is better
Ryan Zeferjahn
.0003.40
now 1
01
Tyler Rogers
.0003.40
now 2
12
If you already own them — trade angle
BuyRyan Zeferjahn — buy.conf 0.90
Sell HighTyler Rogers — sell high. His value is peaking; good time to trade him.conf 0.95
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