Sam Querrey pulls out of Wimbledon with arm injury

Sam Querrey
Sam Querrey reached the fourth round of Wimbledon last year

Sam Querrey of the United States has withdrawn from next week's Wimbledon Championships with an arm injury.

The world number 40 struggled with elbow pain at Queen's Club last week, where he suffered a surprise defeat to British wildcard James Ward.

Querrey, 23, who won Queen's last year and went on to reach the fourth round at Wimbledon, where he lost to Britain's Andy Murray.

A lucky loser from the qualifying event will take Querrey's place in the draw.