Christy Martin, the famed female boxer looking to return to the ring just months after she was shot and stabbed will have to wait a little longer. Martin suffered a rib injury and withdrew Thursday from her March 12 junior middleweight rematch with Dakota Stone at the MGM Grand in Las Vegas. The bout was supposed to be on the Showtime PPV card, headlined by junior middleweight titlist Miguel Cotto's first defense against Ricardo Mayorga. Read more: http://sports.espn.go.com/sports/boxing/news/story?id=6179249
