Ruiz-Valuev boxing rematch for WBA championship
Soon after it was announced that WBA heavyweight champion Ruslan Chagaev had pulled out of his July 5 mandatory title defense against former WBA title-holder and No. 1 contender, Nikolai Valuev, due to another injury, John Ruiz, through his advisor and attorney, Tony Cardinale, contacted World Boxing Association officials demanding that, in accordance with WBA…