If they can win at Old Trafford, a top four challenge could be on the cards - defeat and back to being an also-ran beckons. If City can make it a perfect six, they will not only move on to 18 points but they will also striker fear in?their title rivals who all have issues to overcome. The Gunners know they can make a real statement by winning, even to their own supporters who have doubts whether they have the strength to mount a serious title challenge. The result was a host of classic encounters with talking points aplenty. The game turned on its head as Ronaldo netted a quick-fire double but United saw Mikael Silvestre sent off for a vicious headbutt on Freddie Ljungberg. Who will be the capital kingsArsenal are unbeaten in four Premier League games, while Chelsea have t. Manager David Moyes withdrew the 25-year-old just 15 minutes before kick-off after medical advice from cardiologists. They ended up winning Serie A by nine points with Pogba scoring ten goals for the club. Hull wont be visiting Anfield with a game-plan the gives Liverpool free reign to terrorise, and these are the matches where we will see just how serious they are as challengers. In his time at the Gunners, he helped lead the side to their first league and FA Cup double in 30 years in the 1997/98 season.