World Cup 2014: Top qualifier headers

Ahead of the World Cup 2014 in Brazil, BBC Sport looks back at some of the most memorable headed goals scored during qualification.

Highlights include Cristiano Ronaldo's precise header against Northern Ireland, which helped Portugal secure a win in Belfast.

Jeremain Lens also features after the Dutch international heads home from long range against Romania.

Relive the best moments from World Cup qualifying.

BBC Sport