Portuguese side Porto struggled to recruit players ahead of FIFA's expanded Club World Cup, with transfer targets turning down moves specifically to avoid the tournament's additional fixture burden, club president Andre Villas-Boas said.

The FIFA Club World Cup is under way in the United States, with 32 of the world's strongest club teams — from Spain's Real Madrid to South Korea's Ulsan — battling one another.

The playing surface at the stadium which will host next year's World Cup final has been criticised after its Club World Cup debut

Here's a glance at Sunday's action at the Club World Cup.