WIMBLEDON, England - Wimbledon runner-up Andy Roddick withdrew Monday from the U.S. Davis Cup team’s quarterfinal at Croatia, citing a right hip flexor injury.

The U.S. Tennis Association announced that Roddick wouldn’t participate in this week’s Davis Cup matches because he was hurt during his loss a day earlier to Roger Federer at the All England Club – a match that finished 16-14 in the longest fifth set in Grand Slam final history.

Roddick slipped and tumbled to the grass in the eighth game of the fourth set Sunday. He stayed down for a few moments, then rose, grima...

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