Trainer

Juan Carlos Perez

1 starter today at Mountaineer Park

Today's starters

Post (ET)RaceHorseM/LModel winJockey
7:50 PMMNR R3#3 Monserrate O's12-10%Jj Meza

Model win chance is the card model on each race page; the morning-line favourite wins more often than our top-ranked horse.

This meet

No starts at these tracks in the last 45 days.

Starts at the same track in the 45 days before today, the window the race pages call “this meet.” Under 8 starts we show the count only; under 30, rates move a lot and are tagged.

Last 12 months by race type

Race typeWonStartsWin rate1st–3rd
Allowance / optional claiming05too few to rate
Claiming $25,000+03too few to rate
Claiming under $25,00017too few to rate
Maiden claiming11too few to rate
All21612% small sample38%

Thoroughbred races in our results data, through Oct 31, 2026. Name matched on surname and first initial, so two people who share both can be merged.

By situation

SituationStartsWin rate1st–3rd
Sprints186% small sample22%
Maiden special weights130% small sample23%
Two-year-olds80% small sample25%
First-time starters5 too few to rate
Debut in a maiden special weight4 too few to rate
First-time blinkers2 too few to rate

The trainer's record in each situation as printed with today's past performances (first-time starters, layoffs, surface and distance switches and so on).

With today's jockeys

JockeyTodayWonStartsWin rate
Jj MezaMonserrate O's00no starts

Starts together in the last 12 months, through Oct 31, 2026.

Recent starters

DateRaceHorseFinishM/LJockey
9/12BKF R3Em Nighthawk3rd of 85-1Jesus Flores
8/28ELK R3Dinonino Chicks4th of 79-2Luis Collazo
8/2ONE R3Dinonino Chicks2nd of 55-2Luis Collazo
7/8IND R8Aguila Negra2nd of 715-1Micah Meeks
6/26BTP R1Calcetines5th of 510-1Jann Hernandez
6/22IND R5Aguila Negra3rd of 630-1Amir Mendoza
6/19BTP R1Ranch LifeWon of 58-5Oscar Villarreal
6/10DEL R6English Painter7th of 820-1Felix Vasquez Jr.
6/7JRM R4Dinonino Chicks4th of 65-1Jesus Flores
6/6BTP R1Ranch Life2nd of 59-5Jann Hernandez

The last 10 settled starts in our results data, through Oct 31, 2026. M/L is the morning line.

For information only — not financial or wagering advice. Must be 21+ to wager where required by law. If gambling is affecting you or someone you know, help is available.