MLB Daily DeltaWeek 16 · July 10, 2026
Jose Quintana
COL · P
Change to
Portrait of Martín Pérez
Martín Pérez
ATL · P
Change to
Who's more valuable, rest of season

Jose Quintana.

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

Jose Quintana wins 2 categories (ERA, WHIP); Martín 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
Jose Quintana
89.7
Martín Pérez
90.0
Swinging-Strike %lg 11.0% · higher = better
Jose Quintana
9.9%
Martín Pérez
9.3%
Strikeout %lg 22.0% · higher = better
Jose Quintana
11.0%
Martín Pérez
18.6%
Chase %lg 28.5% · higher = better
Jose Quintana
32.0%
Martín Pérez
26.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Jose Quintana
32.9%
Martín Pérez
36.3%
Barrel % Allowedlg 8.0% · lower = better
Jose Quintana
8.4%
Martín Pérez
6.8%
xwOBA Allowedlg .315 · lower = better
Jose Quintana
.344
Martín Pérez
.330
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
Jose Quintana
26.26
lg xERA 4.10
now 5.27
4.28
Martín Pérez
26.26
lg xERA 4.10
now 2.79
4.42
WHIPlower is better
Jose Quintana
.9001.69
now 1.51
1.36
Martín Pérez
.9001.69
now 1.06
1.37

Volume · rest of season
Strikeoutshigher is better
Jose Quintana
4056.40
now 20
40
Martín Pérez
4056.40
now 42
46
Winshigher is better
Jose Quintana
.8006.20
now 2
24
Martín Pérez
.8006.20
now 3
25

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

If you already own them — trade angle
Hold · wait & seeJose Quintana — hold.conf 0.50
Sell HighMartín Pérez — sell high. His value is peaking; good time to trade him.conf 0.95
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