MLB Daily DeltaWeek 19 · July 31, 2026
Portrait of Eury Pérez
Eury Pérez
MIA · P
Change to
Portrait of Keider Montero
Keider Montero
DET · P
Change to
Who's more valuable, rest of season

Keider Montero.

He projects to help you in more roto categories the rest of the way — ERA and WHIP.

Head-to-head
K
ERA
WHIP
W
SV n/a

Keider Montero wins 2 categories (ERA, WHIP); Eury Pérez wins 1 (K); 1 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
Keider Montero
94.3
Swinging-Strike %lg 11.0% · higher = better
Eury Pérez
14.3%
Keider Montero
9.1%
Strikeout %lg 22.0% · higher = better
Eury Pérez
26.6%
Keider Montero
17.8%
Chase %lg 28.5% · higher = better
Eury Pérez
32.2%
Keider Montero
27.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Eury Pérez
38.9%
Keider Montero
37.7%
Barrel % Allowedlg 8.0% · lower = better
Eury Pérez
10.9%
Keider Montero
7.1%
xwOBA Allowedlg .315 · lower = better
Eury Pérez
.309
Keider Montero
.290
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
3.055.04
lg xERA 4.10
now 4.60
4.00
Keider Montero
3.055.04
lg xERA 4.10
now 3.69
3.49
WHIPlower is better
Eury Pérez
.9001.38
now 1.26
1.27
Keider Montero
.9001.38
now 1.00
1.19

Volume · rest of season
Strikeoutshigher is better
Eury Pérez
4087.60
now 72
53
Keider Montero
4087.60
now 43
33
Winshigher is better
Eury Pérez
.2003.80
now 3
13
Keider Montero
.2003.80
now 2
12

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

If you already own them — trade angle
Sell HighEury Pérez — sell high. His value is peaking; good time to trade him.conf 0.83
BuyKeider Montero — buy.conf 0.78
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