Former world champion Sergey Lipinets (16-1, 12 KOs) scored a highlight-reel knockout against Jayar Inson (18-3, 12 KOs) in the second round of their welterweight matchup. Lipinets was originally scheduled to fight John Molina Jr., before Molina pulled out of the fight Friday morning due to a back injury. Inson, who was scheduled to fight on the non-televised undercard, stepped up to the challenge. "When I first heard the news about Molina, I knew that I wanted to still fight on a show of this magnitude," said Lipinets. "As far as fighting a southpaw, I've had so many amateur fights in my kickboxing career that I had no problem adjusting. It was just a matter of time. I also have sparred with great southpaws like Victor Ortiz throughout my career, so I was comfortable with the change in fighter." In an exchange early in the second round, Lipinets landed a clean left hook to Inson's head, which sent the Filipino-fighter to the canvas. Although Inson got to his feet, referee Jay Nady