ARDMORE, Pennsylvania Former British Open champion Louis Oosthuizen pulled out of the U.S. Open on Friday, citing a strained hip flexor.
The 30-year-old South African, who clinched his only major title at the 2010 British Open, opened with a five-over-par 75 at the Merion Golf Club then withdrew before the start of his second round.
Oosthuizen, whose wife Nel-Mare is expecting their third child, recorded his best U.S. Open finish at Congressional in 2011 when he tied for ninth.
(Reporting by Mark Lamport-Stokes; Editing by Julian Linden)
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