Premier League preview

BBC Sport previews this weekend's Premier League programme, in which Arsenal host Aston Villa, leaders Manchester United travel to QPR,Reading host Wigan and Manchester City entertain Chelsea.

Arsenal boss Arsene Wenger says the Gunners need to be "united and strong" as they look to close the four-point gap to the Champions League places, while Ferguson will be treating the Rangers game "as we would Real Madrid".

Manchester City manager Roberto Mancini says it's "impossible to win every year", while Reading manager Brian McDermott believes his Reading side are "better than where they were last year, the year before and the year before that".