City compound Saints' misery
Manchester City maintained their grip on the Carabao Cup as they progressed to the quarter-finals with a 3-1 home win against Southampton.
Pep Guardiola's side, who successfully defended the trophy last season by beating Chelsea on penalties, were rarely troubled by the Saints, who were looking to restore lost pride after last Friday's 9-0 thrashing by Leicester.
Nicolas Otamendi's header and Sergio Aguero's 11th goal in 12 appearances this season put City 2-0 up at half-time before Aguero netted again in the second half.
Ralph Hasenhuttl's side return to the Etihad Stadium on Saturday in the Premier League.
Burton failed to repeat last season's heroics, when they reached the semi-finals, as they were beaten 3-1 at home by Leicester.
Everton lifted the pressure on Marco Silva by reaching the last eight following a 2-0 home win against Watford, with Richarlison scoring against his former club after Mason Holgate's header broke the deadlock at Goodison Park.
Elsewhere, Sunderland's Will Grigg and Marc McNulty both failed to convert from the spot as Oxford won 4-2 on penalties following a 1-1 draw. Colchester extended their run into the latter stages of the competition with a 3-1 win at Sky Bet League Two rivals Crawley.