MLB Daily DeltaWeek 15 · July 4, 2026
Portrait of Dustin May
Dustin May
STL · P
Change to
Portrait of Eury Pérez
Eury Pérez
MIA · P
Change to
Who's more valuable, rest of season

Dustin May.

He projects to help you in more roto categories the rest of the way — ERA and WHIP. Eury Pérez’s box score looks better right now, but it’s built on luck that won’t hold.

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

Dustin May 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
Dustin May
96.9
Eury Pérez
98.2
Swinging-Strike %lg 11.0% · higher = better
Dustin May
10.4%
Eury Pérez
14.7%
Strikeout %lg 22.0% · higher = better
Dustin May
22.2%
Eury Pérez
26.8%
Chase %lg 28.5% · higher = better
Dustin May
30.6%
Eury Pérez
31.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Dustin May
46.5%
Eury Pérez
39.9%
Barrel % Allowedlg 8.0% · lower = better
Dustin May
7.0%
Eury Pérez
14.8%
xwOBA Allowedlg .315 · lower = better
Dustin May
.305
Eury Pérez
.334
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
Dustin May
3.554.90
lg xERA 4.10
now 4.57
3.85
Eury Pérez
3.554.90
lg xERA 4.10
now 4.60
4.49
WHIPlower is better
Dustin May
1.191.39
now 1.30
1.31
Eury Pérez
1.191.39
now 1.26
1.32

Volume · rest of season
Strikeoutshigher is better
Dustin May
4094.40
now 51
58
Eury Pérez
4094.40
now 72
82
Winshigher is better
Dustin May
.8006.20
now 3
25
Eury Pérez
.8006.20
now 3
25

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

If you already own them — trade angle
Buy LowDustin May — buy low. The dip is a window to acquire.conf 0.88
Sell HighEury Pérez — sell high. His value is peaking; good time to trade him.conf 0.85
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