Plot: Gary Lineker introduces highlights of Boxing Day's eight Premier League matches, including the clash between Manchester United and Sunderland, which sees Sunderland boss David Moyes return to Old Trafford for the first time since being sacked as United manager in 2014. Other games are Chelsea v Bournemouth, Hull v Manchester City, Watford v Crystal Palace, Arsenal v West Brom, Burnley v Middlesbrough, Leicester v Everton and Swansea v West Ham