Louis Oosthuizen of South Africa in action on the 14th hole during the 2nd round of The Open at Royal St George's.
Louis Oosthuizen of South Africa in action on the 14th hole during the 2nd round of The Open at Royal St George's.
Oosthuizen chases down Morikawa to take lead at The Open
Former champion fires a five-under second round to move clear at Royal St George's
