Highlights - Bellator 61 - Fight Network previews fight cards taking place this weekend including Sergio Martinez vs. Matthew Macklin for the WBC Diamond middleweight title, Bellator 61 featuring Bellator's season-six middleweight tournament opening rounds and Ringside MMA 13 featuring Eric Barrak vs. Paul Cheng in a heavyweight bout. For additional coverage of boxing, MMA and pro-wrestling check out www.FIGHTNETWORK.com or follow us on Twitter at www.twitter.com/FightNet or find us on Facebook at www.facebook.com/FightNetwork