Our video takes you through all you need to know.
FootballSOCCER: A look ahead of the fourth round of the FA CupIt's the fourth round of the FA Cup.By The NewsroomPublished 27th Jan 2017, 12:52 GMTUpdated 27th Jan 2017, 14:38 GMT Manchester United goalkeeper David De Gea has been rested for the FA Cup fourth-round clash with Wigan on SundayOur video takes you through all you need to know.