Hard Knocks Miami DolphinsHBO will return for a seventh season of its NFL training camp series Hard Knocks on August 7 featuring the Miami Dolphins, a year after the network scrapped the Emmy-winning documentary series because of the NFL lockout. ESPN reported that the Atlanta Falcons and New York Jets were also mentioned as possible teams to be profiled; in 2010, the Jets’ season on the show earned HBO three Sports Emmys. Five hourlong episodes are planned for the show, co-produced with NFL Films. It’s a logical move for the Dolphins, whose ownership group is trying to drum up fan interest in a mediocre team. Owner Stephen Ross has brought in celebrities like Gloria Estefan and Venus and Serena Williams as minority owners, and the team has a red-carpet entrance to the team’s Sun Life Stadium for celebrities attending games.