Manchester United’s team bus was escorted by police as it arrived at the Etihad.
Security surrounding the Red Devils, and other clubs, has been stepped up in recent weeks following the terror attacks in Dortmund.
An increased police presence met United as the players left The Lowry Hotel in Salford on Thursday evening.
Jose Mourinho was first to board the bus, soon followed by skipper Wayne Rooney.
The team bus was led by a police car as it made the short trip to the Etihad, little over three miles away.
Jose Mourinho’s men go into the clash without a host of first-team players with Paul Pogba joining a lengthy injury list.
Zlatan Ibrahimovic and Marcos Rojo have both suffered season-ending knee injuries, while Juan Mata remains sidelined.
Mourinho had hoped to have Phil Jones and Chris Smalling available but both remain sidelined.
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Jose Mourinho says Manchester United ‘cry’ for Zlatan Ibrahimovic’s injuries
On the defensive duo, the United boss said: “It’s not just about them. It’s about the philosophy and mentality around them. Cautious. Cautious. Cautious. Just a cautious approach.
“It’s a profile, it’s the philosophy of work. Just that.”