Couples oldest to lead at half way

Highlights of Fred Couples' second-round 67 at the Masters.

The American veteran shares the lead at Augusta after an absorbing second round.

The 52-year-old shot 67 to join compatriot Jason Dufner on five under par, one ahead of a group that includes Lee Westwood, Sergio Garcia, former Open champion Louis Oosthuizen and Bubba Watson.

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