MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Peyton Gray
Peyton Gray
TEX · P
Change to
Portrait of Ryan Zeferjahn
Ryan Zeferjahn
CHC · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
▶
◀
WHIP
W
SV n/a

Peyton Gray wins 1 (WHIP); Ryan Zeferjahn wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Peyton Gray
93.1
Ryan Zeferjahn
97.5
Swinging-Strike %lg 11.0% · higher = better
Peyton Gray
12.7%
Ryan Zeferjahn
13.5%
Strikeout %lg 22.0% · higher = better
Peyton Gray
24.1%
Ryan Zeferjahn
31.0%
Chase %lg 28.5% · higher = better
Peyton Gray
33.0%
Ryan Zeferjahn
26.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Peyton Gray
34.5%
Ryan Zeferjahn
35.6%
Barrel % Allowedlg 8.0% · lower = better
Peyton Gray
7.1%
Ryan Zeferjahn
5.6%
xwOBA Allowedlg .315 · lower = better
Peyton Gray
.292
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
Peyton Gray
2.046.80
lg xERA 4.10
now 3.57
3.57
Ryan Zeferjahn
2.046.80
lg xERA 4.10
now 5.74
3.10
WHIPlower is better
Peyton Gray
1.181.46
now 1.30
1.25
Ryan Zeferjahn
1.181.46
now 1.39
1.33

Volume · rest of season
Strikeoutshigher is better
Peyton Gray
4044.80
now 18
0
Ryan Zeferjahn
4044.80
now 32
0
Winshigher is better
Peyton Gray
.0002.80
now 1
0–0
Ryan Zeferjahn
.0002.80
now 2
0–0

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
BuyPeyton Gray — buy.conf 0.76
BuyRyan Zeferjahn — buy.conf 0.90
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