It was the 10th day of March, 2004. The setting was the Theatre of Dreams, Old Trafford. Costinha had just equalized in stoppage time for FC Porto thus knocking out Manchester United of the Champions League and advancing to the final eight in Europe's most coveted club competition.

Enter Porto boss Jose Mario dos Santos Felix Mourinho, or as we more commonly know him, Jose Mourinho.

2010 is on the horizon and it's safe to say that it's been a wonderful decade for football. We here at Footy Factor have taken the opportunity to celebrate the greatest teams, players, and matches of the past 10 years. Next up...

Upset of the Decade

Winner: Senegal 1 – France 0 (2002 World Cup, Group Stage).

As the title reads, former Portuguese international and ex-Mourinho pupil Costinha plays for Atalanta and is probably the biggest waste of money in all of Italian football today. Back in the summer of 2007, Costinha's contract expired at Atletico Madrid. Atalanta thought they were making a real steal signing him, as be brought a wealth of international experience to their midfield.