MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Robert Suarez
Robert Suarez
ATL · 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

Robert Suarez 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
Robert Suarez
98.7
Ryan Zeferjahn
97.5
Swinging-Strike %lg 11.0% · higher = better
Robert Suarez
12.7%
Ryan Zeferjahn
13.5%
Strikeout %lg 22.0% · higher = better
Robert Suarez
20.8%
Ryan Zeferjahn
31.0%
Chase %lg 28.5% · higher = better
Robert Suarez
38.7%
Ryan Zeferjahn
26.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Robert Suarez
32.6%
Ryan Zeferjahn
35.6%
Barrel % Allowedlg 8.0% · lower = better
Robert Suarez
3.3%
Ryan Zeferjahn
5.6%
xwOBA Allowedlg .315 · lower = better
Robert Suarez
.280
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
Robert Suarez
27.75
lg xERA 4.10
now 0.71
3.68
Ryan Zeferjahn
27.75
lg xERA 4.10
now 5.74
3.10
WHIPlower is better
Robert Suarez
.9001.61
now 0.83
1.24
Ryan Zeferjahn
.9001.61
now 1.39
1.33

Volume · rest of season
Strikeoutshigher is better
Robert Suarez
4044.80
now 22
0
Ryan Zeferjahn
4044.80
now 32
0
Winshigher is better
Robert Suarez
.0005.60
now 4
0–0
Ryan Zeferjahn
.0005.60
now 2
0–0

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

If you already own them — trade angle
Sell HighRobert Suarez — sell high. His value is peaking; good time to trade him.conf 0.95
BuyRyan Zeferjahn — buy.conf 0.90
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