Birmingham 0-1 Liverpool: The game starts badly for the Reds when Mohamed Sissoko goes off with a dislocated shoulder
DJ Campbell goes close for the Blues but finds Jerzy Dudek, making his first start of the season, in good form
Liverpool go ahead shortly before the break through Daniel Agger but also see Craig Bellamy miss a 63rd-minute penalty
Chelsea 4-0 Aston Villa: The first goal of the night comes at Stamford Bridge where Frank Lampard heads the hosts in front
Midway through the second half, Chelsea double their lead when Andriy Shevchenko also heads past Thomas Sorensen
With nine minutes to go, Michael Essien (left) puts the match beyond Villa after some good work by Geremi
Not to be left out, in-form striker Didier Drogba completes the rout late on after combining with Salomon Kalou
Everton 0-1 Arsenal: Referee Graham Poll makes headlines when he gives the hosts' James McFadden an early red card
Despite their advantage, Arsenal wait until the 84th minute to take the lead courtesy of Emmanuel Adebayor's header
Tottenham 3-1 Port Vale (aet): Summer signing Steed Malbranque makes his Spurs debut after a lengthy injury spell
A shock looks possible when Leon Constantine stretches to put the League One side ahead with half an hour remaining
Tom Huddlestone equalises to force extra-time and then scores again as the hosts take control
The White Hart Lane club seal their place in the last eight when Jermain Defoe completes the scoring
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