Manchester United "have to put up a fight" and will not "give away" the Premier League title early, insists manager Ole Gunnar Solskjaer.
Pep Guardiola's side, who have won 15 games in a row in all competitions, also have a game in hand on both sides.
Solskjaer said his side need to "put City under pressure".
He told BBC Sport: "Let's just build momentum and win games. They [City] are in good form. Us and Leicester have to put up a fight."
Asked if his side are still in the title race, captain Harry Maguire said: "Of course we are.