Better than Miller's 63? Paul Casey's 66 has U.S. Open field buzzing at Oakmont

Friday saw high drama at the U.S. Open, with Paul Casey firing a 66 for the day's best round, Angel Cabrera finishing strong enough to retain his lead and Phil Mickelson missing the cut.

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Angel Cabrera

Argentina's Angel Cabrera leads the U.S. Open at Oakmont after two rounds.

Credits: Courtesy USGA