Manchester United were knocked out of the League Cup after losing on penalties to Gus Poyet's Sunderland at Old Trafford.
Samuel Eto'o scored a hat-trick as Chelsea beat Manchester United 3-1 at Stamford Bridge on Sunday to send the Blues two points behind English Premier League leaders Arsenal while United sit in seventh.
Wilfried Bony's 90th-minute winner sent Swansea City through to the fourth round of the FA Cup at the expense of Manchester United, Nottingham Forest stunned West Ham United, while Chelsea and Liverpool both advanced.
We take a look back at some of the best Boxing Day matches from the English Premier League era, with Thierry Henry, Tony Adams, Eric Cantona, Andriy Shevchenko and Robin van Persie all shining.
Brazil will start the pool as the favourites, while Cameroon, Croatia and Mexico will all be hopeful in what is, on paper, a wide-open fight for a second spot in the knockout phase.
Following his midweek brace that led Manchester United to a 4-0 win over Norwich City in the League Cup, Mexico striker Javier Hernandez may have broken into David Moyes' starting XI against Fulham this weekend.