Dan Walker and guests look ahead to the weekend's football fixtures. The Premier League returns after the international break and all of the 'Big Four' clubs are in action on Saturday. Arsenal host Birmingham, who held the Gunners home and away when the Blues were last in the Premier League. Chelsea are at Aston Villa, Manchester United entertain neighbours Bolton and Liverpool travel to Sunderland. One of the day's most intriguing games sees Harry Redknapp's revitalised Tottenham side visit Portsmouth, a club who have struggled ever since he left them almost a year ago. There is also a look back at the final round of group games in qualifying for next year's World Cup, which took place in midweek and which featured England, Wales, Northern Ireland and the Republic of Ireland.