MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Jovani Morán
Jovani Morán
BOS · 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

Jovani Morán 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
Jovani Morán
92.8
Ryan Zeferjahn
97.5
Swinging-Strike %lg 11.0% · higher = better
Jovani Morán
14.8%
Ryan Zeferjahn
13.5%
Strikeout %lg 22.0% · higher = better
Jovani Morán
26.9%
Ryan Zeferjahn
31.0%
Chase %lg 28.5% · higher = better
Jovani Morán
29.0%
Ryan Zeferjahn
26.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Jovani Morán
29.0%
Ryan Zeferjahn
35.6%
Barrel % Allowedlg 8.0% · lower = better
Jovani Morán
7.4%
Ryan Zeferjahn
5.6%
xwOBA Allowedlg .315 · lower = better
Jovani Morán
.279
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
Jovani Morán
2.046.80
lg xERA 4.10
now 3.19
3.24
Ryan Zeferjahn
2.046.80
lg xERA 4.10
now 5.74
3.10
WHIPlower is better
Jovani Morán
.9301.52
now 1.06
1.31
Ryan Zeferjahn
.9301.52
now 1.39
1.33

Volume · rest of season
Strikeoutshigher is better
Jovani Morán
4049
now 35
0
Ryan Zeferjahn
4049
now 32
0
Winshigher is better
Jovani Morán
.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
BuyJovani Morán — buy.conf 0.86
BuyRyan Zeferjahn — buy.conf 0.90
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