Arsenal overturned a narrow first-leg defeat with a 5-0 rout of Porto, as Arjen Robben edged Bayern Munich into the last eight at Fiorentina's expense.
FIFA.com spoke to Brazil-born goal-getter Liedson about representing Portugal and how it will feel to compete against his nation of birth in South Africa.
Still just 28 years old, goalkeeper Iker Casillas is a key figure for Spain as they attempt to win their first-ever FIFA World Cup in South Africa in June.
Get your thinking caps on, create a slogan for one of the nations qualified for South Africa 2010 and you could win a fantastic prize: a Hyundai i10 car!