Bournemouth continued their good run against Premier League big sides following their 2-1 against Manchester United at the Vitality Stadium on Saturday.
United went behind just two minutes into the game via a Junior Stanislas goal.
After persistent pressure, United restored parity through Maroune Fellaini, who found the back of the net in the 24th minute.
In the 31st minute, Jesse Lingard added to United’s injury woes and was replaced in the Andreas Pereira.
Ex-United striker Joshua King doubled Bournemouth lead when he struck with nine minutes into the second half.
The win now sees Bournemouth leapfrog Chelsea in the 14th position while United remain fourth.