The Wales international once again used his head to push the giants in front, before his young team-mate struck with another fine finish to keep up his brilliant start to the se...
The Armenia international scored his first goal for the Old Trafford club on his 11th appearance before the Swede wrapped things up late in the game.
The 34-year-old, who has scored three goals in two Premier League appearances for the Red Devils, believes his new club have what it takes to land their first title since 2012-13.In-form Manchester United striker Zlatan Ibrahimovic is confident the club can win the Premier League title this season.
Luis Enrique's men held a commanding lead from the opener and made sure of the triumph with a pair from the Turkey international in a clash that was never in doubt.
Stamford Bridge was braced for a draw before the Spain international popped up to add to an earlier strike from Eden Hazard and secure maximum points.
The Chilean opened the scoring by firing home a rebound before Muller made the result safe after enduring a barren Euro 2016 campaign for his country.