Holders Manchester City smashed Sheffield Wednesday 7-0 and Chelsea edged Bolton Wanderers 2-1 as both teams overcame Championship opposition to reach the League Cup fourth round on Wednesday.
Frank Lampard and Edin Dzeko each scored twice as City strolled to victory with seven second-half goals at the Etihad Stadium, setting up a home game with Newcastle United.
Chelsea gave a first appearance of the season to goalkeeper Petr Cech and took a 25th-minute lead against Bolton when debutant Kurt Zouma lashed home after Gary Cahill's header was blocked at a corner.
Matt Mills equalised for Bolton six minutes later with a header from a deep free-kick that crept inside Cech's right-hand post, but Oscar gave Chelsea victory in the 55th minute with a low long-range drive.
Chelsea will visit fourth-tier Shrewsbury Town in round four.
Meanwhile, Tottenham Hotspur had to come from behind to win 3-1 at home to Nottingham Forest.
Championship leaders Forest made a bright start, hitting the bar through Ben Osborn's curler, and took the lead in the 61st minute when 19-year-old Jorge Grant tucked in a Lars Veldwijk cross.
But substitute Ryan Mason drew Spurs level with a 25-yard shot in the 72nd minute and late goals from Roberto Soldado and Harry Kane sent Mauricio Pochettino's side through.
Spurs will now host second-tier Brighton and Hove Albion, who won 3-0 at fourth-division Burton Albion.
Paul Dummett scored an extra-time winner as Alan Pardew's Newcastle, who are without a win in the league this season, claimed a much-needed 3-2 victory at Crystal Palace.
Emmanuel Riviere's first two Newcastle goals put the visitors 2-1 up after Dwight Gayle had given Palace the lead with a penalty, only for home debutant Sullay Kaikai to scramble home a 92nd-minute equaliser.
Newcastle then had Mehdi Abeid sent off after he collected a second yellow card, but Wales full-back Dummett's diving header with eight minutes of extra time remaining secured a fourth-round date with City.
In the night's other all-Premier League tie, West Bromwich Albion produced a stunning late rally to beat Hull City 3-2 and set up a trip to Championship outfit Bournemouth.
Goals from Tom Ince and Robbie Brady put Hull 2-1 up after Brown Ideye had given the hosts a 15th-minute lead, but Gareth McAuley equalised in the 87th minute before Saido Berahino grabbed the winner a minute later.
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