Drew Dinsick offers advice on how to bet Spain and Belgium's World Cup quarterfinal match, and highlights an impressive Spanish defense that has yet to concede.

Quarterfinal vs. Spain PREVIEW (7/7)

Our reporter watched the World Cup last 16 match in two towns separated by the river Mino. Tui in Spain and Valença in Portugal

Cristiano Ronaldo heard the cheers while walking off the pitch after his final World Cup match for Portugal.

If Spain are to get their hands on the World Cup trophy again, they may have their defence, rather than their attack, to thank.

Spain broke a World Cup record with its sixth consecutive clean sheet and goalkeeper Unai Simon extended his record shutout streak to 609 minutes after a 1-0 win over Portugal on Monday.