Liverpool needed two extra-time goals to beat NottsCounty 4-2 at Anfield on an eventful night for the Premier League clubs in the League Cup second round on Tuesday.
England forward Daniel Sturridge and substitute Jordan Henderson spared Liverpool's blushes after their League One opponents stormed back to level at 2-2 after 90 minutes.
HullCity also advanced with a 1-0 extra-time win at Leyton Orient while Fulham won a penalty shootout 5-4 at League Two Burton Albion after their topsy-turvy showdown finished 2-2.
BristolCity upset top flight newcomers CrystalPalace 2-1 and Sunderland needed some late Connor Wickham heroics to snatch a thrilling 4-2 win over another League One side MK Dons.
Wickham scored twice and a set up a third in a breathtaking last 15 minutes as Sunderland turned around a two-goal deficit at the Stadium of Light.
West Bromich Albion's Saido Berahino netted a first half hat-trick in their 3-0 win over League Two Newport County while West Ham United held on to beat Cheltenham Town 2-1.
Southampton thrashed Barnsley 5-1 away and NorwichCity enjoyed a 6-3 win over Bury in a goalfest at Carrow Road.
There are another seven second-round ties on Wednesday when Everton host Stevenage and Newcastle United visit Morecambe.
Image: Gary Liddle of NottsCounty battles with Daniel Sturridge of Liverpool
Photograph: Laurence Griffiths/Getty Images