To be the best, you must beat the best. Not for the first time, though, Man United failed to take their chances against big-six rivals; a goalless draw at Arsenal further dents their title hopes.
The hosts have not lost in six league games, but Bukayo Saka and Pierre-Emerick Aubameyang are out. Edinson Cavani starts for United, who are unbeaten away from home for over a year.
Manchester City face Sheffield United knowing they can take a four-point lead at the top of the Premier League ahead of Man United's game with Arsenal. Follow live with ESPN.