Career
On April 24, 2010 in the Home Box Office undercard of Chris Arreola vs Tomasz Adamek, Molina beat veteran Jose Antonio Izquierdo by second round K.O.
He fought against undefeated Henry Lundy on Entertainment and Sports Programming Network"s Friday Night Fights for the WBO NABO Lightweight Championship. During the fight with Lundy, Molina would pressure him and would knockout the Philadelphia fighter in the eleventh round. After knocking out Danny Williams in another Friday Night Fights appearance in January 2013, Molina would lose to an undefeated Andrey Klimov by majority decision in June 2013.
After the Klimov loss, Molina fought unbeaten Cleveland lightweight Mickey Bey on the main event of a Mayweather Promotions card broadcast on ShoBox from Hard Rock Casino in Las Vegas on Friday, July 19, 2013.
Bey controlled most of the bout up until the 10th and final round, in which Molina hurt Bey with a left hook, and then continued to pound him with hard shots until referee Vic Drakulich stepped in to call a halt to the bout at 2:01 of the 10th round. This round is to be considered by many round of the year for 2013.
Molina was defeated by Adrien Broner via unanimous decision in the first episode of the Premier Boxing Champions series of fights on National Broadcasting Company.
On September 8, 2012, John Molina Junior. got his first world title shot, in a bout against Mexican Antonio DeMarco for the WBC Lightweight Title. Immediately, Molina was tagged and hurt by a straight left hand from DeMarco, the first shot DeMarco landed.
Molina covered up in his corner as DeMarco pelted him until Referee Jack Reiss called a halt to the bout.
The end came before 44 seconds had passed in the first round, handing Molina his second career loss. The stoppage would not come without protest where Molina Junior was sitting on the ropes during this time and was expecting to get a standing eight count.