Leaders Chelsea failed their first serious test of the Premier League season on Saturday when a Carlos Tevez goal gave Manchester City a 1-0 home win over the champions who were unstoppable in their opening five matches.
A day after City manager Roberto Mancini suggested Chelsea's title defence would be a cruise, his side begged to differ and clinched victory thanks to Tevez's 59th minute solo goal, his fourth in his last three matches against Chelsea.
Arsenal could not capitalise on defeat for their London rivals, however, as they surprisingly went down 3-2 at home to West Bromwich Albion despite two late goals from Samir Nasri.
Chelsea, who failed to score in the league for the first time since last December, are top with 15 points but Manchester United can cut the gap to a point if they beat Bolton Wanderers on Sunday. Arsenal and City have 11 with West Brom fifth on 10.
Image: West Ham United's wall attempts to block the free-kick from Tottenham Hotspur's Rafael Van der Vaart during the English Premier League soccer match at Upton Park, London, Saturday Sept. 25, 2010.