Luke Rockhold (Mark Kolbe)Luke Rockhold vs. Lyoto Machida Set to Headline UFC on FOX 15 in Newark José Youngs January 8, 2015 News, Spotlight On Thursday afternoon, a UFC middleweight contest between a pair of former champions in Luke Rockhold and Lyoto Machida was officially announced as the main event for UFC on FOX 15 in April. MMAFighting was the first to report the news, which Rockhold would later confirm on his Instagram. Rockhold (13-2), a former Strikeforce middleweight champion, will be looking to earn up his fourth straight win inside the Octagon. In his most recent outing, the American Kickboxing Academy standout walked away with a very impressive second round submission win over rival Micahel Bisping in their main event grudge match at UFC Fight Night 55 in April. Prior to this win, Rockhold picked up back-to-back first round stoppage wins over Tim Boetsch and Costas Philippou. To date his last loss, came at the hands of a violent spinning back kick knockout courtesy of Vitor Belfort at UFC on FX 8. He will enter this bout with 11 career stoppage wins, including eight by way of knockout, and a UFC record of 3-1. Machida (22-5), a former UFC light heavyweight champion and middleweight title contender, was last seen walking away with a lightning quick TKO win over C.B. Dollaway, which came a little over a minute into their UFC Fight Night 58 main event bout in December. Prior to this win, fans saw Machida on the wrong end of a hard-fought decision loss to UFC middleweight champion Chris Weidman in the main event of UFC 175 in July. This marked the first loss for ‘The Dragon’ since making the drop down to 185-pounds last October. He kicked off his middleweight with a first round head kick knockout over Mark Muñoz, followed by a thrilling decision win over Gegard Mousasi. He will enter this bout with 11 career stoppage wins, including nine by way of knockout, and a UFC record of 14-5. UFC on FOX 15 is currently scheduled to take place on April 18 at Prudential Center in Newark, New Jersey.