Jose Mourinho has vowed to silence the critics when Manchester United face champions Leicester, while his old rival Arsene Wenger hopes to celebrate a memorable milestone with a rare success against Chelsea on Saturday. Mourinho finds himself under fire less than two months into his United reign after three successive defeats and an unconvincing League Cup win at third tier Northampton. United are already trailing six points behind Premier League leaders Manchester City and another setback at Old Trafford this weekend would be a huge blow to Mourinho's bid to stamp his authority on a team that has underachieved in recent years.
