Chelsea 2-1 Bournemouth
Chelsea secured their place in the final four of the tournament with a 2-1 win over Bournemouth at Stamford Bridge.
Willian broke the deadlock for the Blues in the 13th minute with Cesc Fabregas picking up the assist.
Bournemouth had to wait until the 90th to get the equaliser through Dan Gosling.
However, the visitor's joy was short-lived as Alvaro Morata bagged the winning goal one minute later.
Bristol City 2-1 Manchester United
Manchester United's defence of the League Cup came to an end after they lost 2-1 to Bristol City.
The home side took the lead in the 51st minute through Joe Bryan's superb strike.
Seven minutes later, Zlatan Ibrahimovic brought the Red Devils level with a fine free-kick from 25-yards out.
However, Bristol secured the win thanks to a 93rd-minute strike from Korey Smith.