MLB Daily DeltaWeek 20 · August 9, 2026
Portrait of Eury Pérez
Eury Pérez
MIA · P
Change to
Portrait of Justin Wrobleski
Justin Wrobleski
LAD · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Eury Pérez wins 2 (K, ERA); Justin Wrobleski wins 2 (WHIP, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Eury Pérez
98.3
Justin Wrobleski
94.3
Swinging-Strike %lg 11.0% · higher = better
Eury Pérez
14.7%
Justin Wrobleski
9.9%
Strikeout %lg 22.0% · higher = better
Eury Pérez
27.1%
Justin Wrobleski
19.3%
Chase %lg 28.5% · higher = better
Eury Pérez
33.1%
Justin Wrobleski
32.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Eury Pérez
39.5%
Justin Wrobleski
43.3%
Barrel % Allowedlg 8.0% · lower = better
Eury Pérez
10.1%
Justin Wrobleski
9.1%
xwOBA Allowedlg .315 · lower = better
Eury Pérez
.301
Justin Wrobleski
.327
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
2.185.29
lg xERA 4.10
now 4.60
3.76
Justin Wrobleski
2.185.29
lg xERA 4.10
now 2.87
4.37
WHIPlower is better
Eury Pérez
.9101.36
now 1.26
1.26
Justin Wrobleski
.9101.36
now 1.01
1.18

Volume · rest of season
Strikeoutshigher is better
Eury Pérez
4090.40
now 72
44
Justin Wrobleski
4090.40
now 40
26
Winshigher is better
Eury Pérez
.0009.40
now 3
13
Justin Wrobleski
.0009.40
now 7
36

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

If you already own them — trade angle
BuyEury Pérez — buy.conf 0.70
Sell HighJustin Wrobleski — sell high. His value is peaking; good time to trade him.conf 0.95
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