London, Aug. 20 -- The new Premier League season begins Friday night with defending champion Arsenal hosting newly promoted Coventry at the Emirates Stadium, as a host ofclubs enter the campaign with new coaches and renewed ambitions.

Arsenal starts as the clear favorite to retain its title after strengthening an already dominant squad with the signing of Bruno Guimaraes, adding further quality and balance to its midfield.

Confidence is even higher after Mikel Arteta's side defeated Manchester City 3-0 in last weekend's Community Shield, and anything other than a convincing opening victory against last season's Championship winner would be considered a disappointment.

City, meanwhile, faces questions after Enzo Maresca's difficult start ...