Defending cup holders Aston Villa exited the competition in the last 16, losing 2-0 to Swansea City on Friday.
Two first-half goals, from Ben Cabango (pictured) and Jordon Garrick, helped Swansea gain revenge in a repeat of last season’s final, which Villa won on penalties.
See: Swansea report
Joe Rankin-Costello was the hero, scoring twice for Blackburn Rovers at Stoke City. Hayden Carter put Rovers ahead, but Stoke levelled before half-time through Nathan Collins.
Rankin-Costello restored Rovers' advantage with a fine goal and struck again late on .
Two first-half goals for Nottingham Forest secured a win against AFC Bournemouth at the City Ground.
Kieran Hayes headed Forest in front on 44 minutes and Jamie Ward added a second in stoppage time. Brennan Camp's strike 10 minutes from time for the Cherries was not enough.
After securing the Clarets’ last-16 spot with the only goal against West Bromwich Albion, Agyei repeated the feat on 67 minutes at Barnfield Training Centre.
Jamie Sterry and Tom Allan scored first-half goals as Newcastle United won at Reading with Josh Barrett's free-kick for the Royals briefly levelling the scores.
On Thursday, 10-man Leeds edged past Fulham 5-4 on penalties.
Ryan Edmondson's 43rd-minute strike for Leeds was cancelled out by Matthew O'Riley's penalty, for which goalkeeper Harrison Male was sent off.
Fulham went ahead through Nicolas Santos Clase, but Izzy Brown's late equaliser set up extra-time and penalties.
Everton's last 16 match at home to Sunderland due to take place on Saturday has been postponed after a failed pitch inspection.
Derby County host Wolverhampton Wanderers on Sunday in the final tie.