Olvin Mejia (Olvin Constantino) boxer
- bouts
- 13
- won
- 4
- lost
- 6
- draw
- 3
- Status
- inactive
- Division
- featherweight
- Debut
- 2007-04-06
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1988-09-23
- Death
- -
- Nationality
- Mexico
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2013-04-13 | Kendo Castaneda | WW | American Bank Center, Corpus Christi | LOST Unanimous decision |
| 2011-09-23 | Richard Contreras | WWWWWW | DoubleTree Hotel, Ontario | LOST KO |
| 2011-07-22 | Abraham Lopez | WWWWWW | DoubleTree Hotel, Ontario | LOST Technical knockout |
| 2009-08-08 | Hector Jimenez | LL | Sports Arena, Brownsville | WIN Technical knockout |
| 2009-05-29 | Eric Estrada | WWWWWW | UIC Pavilion, Chicago | LOST Unanimous decision |
| 2009-04-18 | James DuBois | WWWWWW | Laredo Veterans Field, Laredo | DRAW Majority decision |
| 2008-09-06 | Eleazar Renteria | WWWWWW | Toyota Center, Houston | DRAW Points |
| 2008-04-12 | Luis Cruz | WWWW | Boardwalk Hall, Atlantic City | LOST Unanimous decision |
| 2008-01-18 | Jerry Belmontes | debut | Jacob Brown Auditorium, Brownsville | LOST Unanimous decision |
| 2007-12-07 | Jaime Villa | WWWWLL | Civic Center Arena, Laredo | DRAW Points |
| 2007-07-20 | Pedro Silva | LLLLW | Casa de Amistad, Harlingen | WIN Technical knockout |
| 2007-04-20 | Rolando Campos | LL | Casa Blanca Ballroom, Laredo | WIN Technical knockout |
| 2007-04-06 | Samuel Gutierrez | W | Convention Center, Pharr | WIN Technical knockout |