Making his debut on December 2006 aged 21 Lopez has a so far mixed record of 5-1-0. Although he has been beaten previously, the future looks positive. He started his best winning streak on December 2006 however, this came to an end on March 2013. In this period he won a total of 5 fights.
An explosive pro debut saw Lopez face John Mumford in a 4 round debut fight. Justin became only the 2nd person to stop Mumford shy of the full distance, stopping him in the 3rd. Lopez continued on his successful journey by fighting and beating his next 3 fights.
Hoy Mack was beaten next on April 28th, 2012 meaning Lopez could maintain his unbeaten streak. Becoming the first person to stop Hoy Mack, Lopez beat Mack via RTD in the 2nd round of a 4 round fight. Racking up wins against Terrance Walker and Hoy Mack, Lopez went on to fight and win these next 2 fights.
Lopez then went on to fight and beat Delano Kealohapauole on March 23rd, 2013 maintaining his unbeaten record. The win against Kealohapauole came in the 3rd round of a 6 round fight via RTD. Lopez was the 6th person to stop Kealohapauole.
Justin Lopez was beaten by Antonio Nieves on August 15th, 2014 in his most recent bout. This took his record to 5-1-0. In a courageous battle, Nieves's skill was too great over the 6 rounds for Lopez as he got handed his first pro defeat. With plenty of options still available to Lopez, it's unlikely this is the last we'll see of him.