MLB Daily DeltaWeek 27 · September 28, 2026
Portrait of Eury Pérez
Eury Pérez
MIA · P
Change to
Portrait of Tanner Bibee
Tanner Bibee
CLE · 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

Eury Pérez wins 1 (ERA); Tanner Bibee wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Eury Pérez
98.2
Tanner Bibee
94.0
Swinging-Strike %lg 11.0% · higher = better
Eury Pérez
14.7%
Tanner Bibee
11.1%
Strikeout %lg 22.0% · higher = better
Eury Pérez
25.8%
Tanner Bibee
19.0%
Chase %lg 28.5% · higher = better
Eury Pérez
32.0%
Tanner Bibee
27.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Eury Pérez
39.6%
Tanner Bibee
39.3%
Barrel % Allowedlg 8.0% · lower = better
Eury Pérez
10.0%
Tanner Bibee
8.4%
xwOBA Allowedlg .315 · lower = better
Eury Pérez
.310
Tanner Bibee
.320
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
Eury Pérez
3.844.82
lg xERA 4.10
now 4.60
4.06
Tanner Bibee
3.844.82
lg xERA 4.10
now 4.57
4.26
WHIPlower is better
Eury Pérez
1.191.38
now 1.26
1.31
Tanner Bibee
1.191.38
now 1.30
1.28

Volume · rest of season
Strikeoutshigher is better
Eury Pérez
40100.80
now 72
0
Tanner Bibee
40100.80
now 60
0
Winshigher is better
Eury Pérez
.0004.20
now 3
0–0
Tanner Bibee
.0004.20
now 0
0–0

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

If you already own them — trade angle
Hold · steadyEury Pérez — hold.conf 0.60
Hold · leans sellTanner Bibee — hold.conf 0.60
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