Kell Brook believes victory over Shawn Porter will open the door for fights with boxing’s biggest names.The Sheffield man will challenge Porter for his IBF welterweight title at the StubHub Center in California on August 16, live on Sky Sports. Brook faces a career-defining fight against one of the sport’s rising stars and will burst onto the American scene if he dethrones the champion. British rival Amir Khan has already expressed a willingness to face Brook, once he secures a world title, and the 147lb division also includes superstars Floyd Mayweather and Manny Pacquiao. Asked what is at stake for him, Brook told ontheropesboxing.com: “Of course, of course it could be interesting and it is on my mind. “I know that this is the key to Fort Knox. It’s a massive money fight out there, not just Amir Khan but international fights like Mayweather, Pacquiao. I think people in America and around the world will take note after beating Shawn Porter.” Porter ripped the belt from Devon Alexander with a points win last December and his first defence ended in a chilling stoppage of the normally durable Paulie Malignaggi.