By Mark Jones Virgil van Dijk will be following in the footsteps of one of his childhood heroes on Sunday – and the respect between the pair is mutual. League leaders Liverpool make their second visit to Old Trafford in the space of three weeks, with Reds skipper Van Dijk hoping for a better result than Liverpool’s 4-3 defeat in the FA Cup quarter-final last month. Manchester United put aside indifferent Premier League form to win that game and secure a spot in the last four, but Van Dijk and co will renew their focus as they seek what would be a huge three points in the title race. One person…