Arsenal overcame a brief Blackpool fight-back to win 3-1 at Bloomfield Road and close the gap on Manchester United to seven points at the top of the Premier League on Sunday.
Newcastle United produced an astonishing fightback to draw 4-4 at home to Arsenal on Saturday after trailing 4-0 with just 26 minutes gone in the Premier League on Saturday.
Three goals in seven minutes gave Chelsea a 3-0 Premier League home win over Burnley on Saturday while champions Manchester United were thankful for an Abou Diaby own goal as they came from 1-0 down to beat Arsenal 2-1 at Old Trafford.
Champions Manchester United shook off their midweek defeat at Burnley with an emphatic 5-0 away win at Wigan Athletic in the Premier League on Saturday.
Real Madrid midfielder Wesley Sneijder will be out of action for around three months after a scan on his injured left knee on Monday, the Primera Liga club said. The Dutch international has damaged the internal lateral ligament but will not require surgery as had been feared.
Manchester United face Arsenal in the match of the round at Old Trafford. United forward Louis Saha is still out with a cartilage problem but Wayne Rooney returns after being suspended for last week's derby against Manchester City.
The 23-year-old Adebayor struck once in the first half and twice in the second, including a penalty in a 5-0 victory in the English Premier League.
The Chelsea captain taken to hospital for tests after being kicked in the face but returned to the Millennium Stadium little more than an hour later to celebrate his team's victory.
Arsene Wenger is confident Arsenal can rekindle the art of winning after a series of frustrating Premier League draws but their quest may be hindered by a "worrying" injury crisis.