Middleweight champion Sergio Martinez will be without trainer Gabriel Sarmiento(below) in his corner when he defends the title against junior middleweight titlist Sergiy Dzinziruk. The news was disclosed at Thursday's final news conference ahead of the fight Saturday (HBO, 10:30 p.m. ET) at MGM Grand Arena at the Foxwoods resort in Mashantucket, Conn. Read more: http://sports.espn.go.com/sports/boxing/news/story?id=6202170
