Visit PremierBoxingChampions.com for more info. In the opening bout on FOX and FOX Deportes, rising heavyweight prospect Efe Ajagba (9-0, 8 KOs) remained unbeaten and earned the best win of his young pro career by stopping veteran Amir Mansour (23-4-1, 16 KOs) after two rounds. Ajagba was dominant from the outset, knocking Mansour down twice in the first round. He first landed a clean straight right to Mansour that caused him to tumble to the ground. He got to his feet but was then put onto the ground by a straight left from Ajagba. "I've never fought a southpaw in the pros before," said Ajagba. "Ronnie Shields has taught me a lot and given me the plan on how to fight a southpaw and how to use my right hand against them." Mansour made it to the second round but continued to take a beating as Ajagba landed flush to the head consistently. After the round, referee Thomas Taylor took a long look at Mansour in his corner decided to call the fight after two rounds. "I want to be