PRESS RELEASE: The co-featured main event on the Nov. 4 edition of SHOWTIME CHAMPIONSHIP BOXING will showcase World Boxing Association (WBA) Lightweight Champion Juan “Baby Bull” Diaz against Ecuadorian challenger Fernando “La Fiera” Angulo from Chase Field in Phoenix, Ariz. This bout and the world heavyweight championship main event featuring World Boxing Organization titlist Sergei “White Wolf” Liakhovich vs. Shannon “The Cannon” Briggs is being promoted by Don King Productions and will air live on SHOWTIME CHAMPIONSHIP BOXING at 9 p.m. ET/PT (delayed on the west coast). Tickets for the event—priced at $39, $54, $104, $204, $304 and $504—are on sale now at the Chase Field box office, Ticketmaster, ticketmaster.com, or can be charged by phone at (480) 784-4444.