Sergio Aguero grabbed a hat- trick as Manchester City scored four times inside 25 minutes to thrash Chelsea 6-0 and leapfrog Liverpool again to top spot in the Premier League on goal difference on Sunday .
Chelsea , on the other hand , slip to sixth with the scale of the defeat , after a 4 – 0 loss to Bournemouth in their last away game, sure to raise further doubts over Maurizio Sarri ’ s future .
