Cristiano Ronaldo was able to score a vital winner for Portugal despite a somewhat subdued performance from the Real Madrid winger.
The superstar was able to head in a goal from a Veloso cross to break the deadlock before the forward hit the cross-bar with another header.
These two teams will meet in Sweden in just four days time where the qualifier to play in Brazil will be decided.
Goals and key events:
82' Cristiano Ronaldo