Henrik Larsson is widely expected to make his Manchester United debut later today against Aston Villa in the third round of the FA Cup.
If he starts, Larsson will line up against his old Celtic boss, Martin O'Neill.
United boss, Alex Ferguson, said the match should be one to savour given the proud tradition of the two clubs.
"The FA Cup history is full of Manchester United and Aston Villa," he said
"I think we've been in the most finals. I think Aston Villa come in second or third. There's a great cup record with both clubs. So I think it should make it an exciting cup tie."
Other Premiership teams are in FA Cup third round action later.
Tottenham make the trip to Wales to play Championship outfit Cardiff.
Manchester City are at Hillsborough to tackle Sheffield Wednesday, while
Everton face Blackburn