MLB Daily DeltaWeek 13 · June 23, 2026
Portrait of Erik Miller
Erik Miller
SF · P
Change to
Portrait of Ryan Zeferjahn
Ryan Zeferjahn
LAA · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Erik Miller wins 2 (WHIP, SV); Ryan Zeferjahn wins 2 (K, W); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Erik Miller
96.8
Ryan Zeferjahn
97.4
Swinging-Strike %lg 11.0% · higher = better
Erik Miller
12.1%
Ryan Zeferjahn
12.4%
Strikeout %lg 22.0% · higher = better
Erik Miller
30.1%
Ryan Zeferjahn
28.7%
Chase %lg 28.5% · higher = better
Erik Miller
22.1%
Ryan Zeferjahn
22.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Erik Miller
31.9%
Ryan Zeferjahn
35.0%
Barrel % Allowedlg 8.0% · lower = better
Erik Miller
10.6%
Ryan Zeferjahn
5.0%
xwOBA Allowedlg .315 · lower = better
Erik Miller
.325
Ryan Zeferjahn
.296
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
Erik Miller
2.876.56
lg xERA 4.10
now 4.41
3.70
Ryan Zeferjahn
2.876.56
lg xERA 4.10
now 5.74
3.69
WHIPlower is better
Erik Miller
1.171.48
now 1.41
1.24
Ryan Zeferjahn
1.171.48
now 1.39
1.26

Volume · rest of season
Strikeoutshigher is better
Erik Miller
4045
now 24
38
Ryan Zeferjahn
4045
now 32
39
Winshigher is better
Erik Miller
.0005.60
now 0
00
Ryan Zeferjahn
.0005.60
now 2
14
Saveshigher is better
Erik Miller
.0008.40
now 2
16
Ryan Zeferjahn
.0008.40
now 1
02
If you already own them — trade angle
Hold · wait & seeErik Miller — hold.conf 0.50
Hold · wait & seeRyan Zeferjahn — hold.conf 0.50
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