Summary:
David de Gea could miss the rest of the World Cup after being ruled out with a leg injury.

Full article:
By . Paul Collins . Spain goalkeeper David de Gea has a leg injury and could be out for the rest of the World Cup group stage. The Manchester United goalie underwent medical scans on Sunday that revealed a leg muscle strain, with the defending champions listing him as day-to-day. Spanish media reports suggest De Gea will be sidelined for up to 10 days, ruling him out of the final two Group B matches against Chile and Australia. De Gea recently made his debut for Spain. VIDEO Scroll down for Casillas pushed hard in training with Reina and De Gea available . Out of the tournament? David de Gea is a doubt for the rest of the World Cup after picking up a hip injury . Distraught: Iker Casillas had a poor game against Holland leaving his place seemingly up for grabs . Captain and regular goalkeeper Iker Casillas' poor play in Friday's 5-1 loss to the Netherlands had given De Gea a possible chance to take over the starting role. Pepe Reina is the only other goalie available to the world and European champions going into Wednesday's must-win game against Chile at the Maracana. Shot stopper: De Gea pulls off a fine save in training last week .