HBO has announced that it will televise Wladimir Klitschko’s defense of his RING, WBA, IBF and WBO titles against Kubrat Pulev in Hamburg, Germany, on Nov. 15 at 4:45 pm ET/PT. The heavyweight championship of the world is always significant,” said Peter Nelson, vice president of programming at HBO sports. “Wladimir Klitschko is one of the elite fighters today and one of the greatest reigning heavyweight champions, and it’s a privilege to have him back on the HBO network. It’s a thrill to have him back.”