Saturday's Premier League action promises to be the most decisive and dramatic of the season so far, with two huge local derbies in the north west.
At lunchtime Everton host Liverpool in the Merseyside derby, and in the late kick-off it is the Manchester derby - with City clinching the Premier League title if they beat rivals United.
Here, Sportsmail examines 10 key questions ahead of the games, with all the answers to be provided on the field of play...
Will Liverpool and Manchester City rotate?