Nuno Espirito Santo's dismissal comes after Tottenham Hotspur lost 3-0 at home to Manchester United, their fourth defeat in six Premier League games.
Ronaldo opened the scoring and set up the second goal for Edinson Cavani on Saturday, as Manchester United eased past Spurs 3-0.
Cristiano Ronaldo and Edinson Cavani scored the opening two goals, as Manchester United comfortably beat Spurs 3-0.
Defender Aymeric Laporte was sent off right on the stroke of half-time for denying Wilfried Zaha a clear goal-scoring opportunity.
On the back of a demoralising 5-0 defeat to Liverpool last weekend, Manchester United will be keen to bounce back in style.
Manchester United suffered a demoralising 5-0 defeat to Liverpool in the Premier League last weekend.
On the back of an impressive result at Old Trafford last weekend, Liverpool will be looking to maintain that form going against Brighton on Saturday.
Robertson was part of a Liverpool side that trounced Manchester United 5-0 in the Premier League last weekend.
Manchester United suffered a demoralising 5-0 defeat against Liverpool in the Premier League last weekend.
Second-half goals by Takumi Minamino and Divock Origi proved to be the difference, as the Reds advanced to the quarter-finals of the Carabao Cup.