Vanes Martirosyan vs. Demtrius Andrade on September 7th for WBO 154 lb. title

By Dan Ambrose: Unbeaten #1 WBO, Vanes "Nightmare" Martirosyan (33-0-1, 21 KO's) will be fighting unbeaten #2 WBO, Demetrius "Boo Boo" Andrade (19-0, 13 KO's) on September 7th on the undercard of the Julio Cesar Chavez Jr. vs. Brian Vera bout at the Staples Center in Los Angeles, California, according to Dan Rafael of ESPN.