Overview:Gary Lineker introduces highlights and reaction to the day's eight Premier League matches as the busy festive period continues. Champions Chelsea travelled to Manchester United looking to continue an eight-game unbeaten run against the Red Devils in all competitions. The Blues were last beaten by United in October 2012. Arsenal entertained Bournemouth in the first ever league meeting between the clubs, whilst Tottenham were at Vicarage Road to take on Watford. The day's other matches saw West Ham take on Southampton, Norwich up against Aston Villa, Swansea travel to Crystal Palace, Everton face Stoke and West Brom play Newcastle.