The draw will take place at 1.30pm at FA headquarters at Soho Square in London when FA Director of Football Development Sir Trevor Brooking will be picking out the four remaining balls.
The draw can be seen live on Sky Sports News or BBC Two or can be heard live on BBC Radio Five Live.
Draw Numbers:
1 Newcastle United
2 Manchester United
3 Arsenal
4 Blackburn Rovers
And Number 4 Will Play....
Semi Final ties are to be played on Saturday 16th and Sunday 17th April at the Millennium Stadium in Cardiff.