MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Eury Pérez
Eury Pérez
MIA · P
Change to
Portrait of Zebby Matthews
Zebby Matthews
MIN · 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); Zebby Matthews 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
Zebby Matthews
95.2
Swinging-Strike %lg 11.0% · higher = better
Eury Pérez
14.7%
Zebby Matthews
10.8%
Strikeout %lg 22.0% · higher = better
Eury Pérez
25.8%
Zebby Matthews
21.3%
Chase %lg 28.5% · higher = better
Eury Pérez
32.0%
Zebby Matthews
28.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Eury Pérez
39.6%
Zebby Matthews
42.5%
Barrel % Allowedlg 8.0% · lower = better
Eury Pérez
10.0%
Zebby Matthews
10.6%
xwOBA Allowedlg .315 · lower = better
Eury Pérez
.310
Zebby Matthews
.321
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
3.834.86
lg xERA 4.10
now 4.60
4.06
Zebby Matthews
3.834.86
lg xERA 4.10
now 4.63
4.28
WHIPlower is better
Eury Pérez
.9201.42
now 1.26
1.31
Zebby Matthews
.9201.42
now 1.03
1.28

Volume · rest of season
Strikeoutshigher is better
Eury Pérez
40100.80
now 72
0
Zebby Matthews
40100.80
now 24
0
Winshigher is better
Eury Pérez
.0004.20
now 3
0–0
Zebby Matthews
.0004.20
now 1
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 sellZebby Matthews — hold.conf 0.60
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