Dan Walker and guests look ahead to the weekend's football, including the second round of fixtures in the new Premier League season. The day's games include a tough match for newly-promoted Leicester City away to title contenders Chelsea, while on Sunday Queens Park Rangers travel to Tottenham in a match which pits Hoops manager Harry Redknapp against his former employers. There is also a big match on Monday night between Manchester City and Liverpool, who were last season's respective champions and runners-up.