BBC Sport - The Open: Phil Brilliant Mickelson shoots course record 63

Brilliant Mickelson scores course record 63

Former Open champion Phil Mickelson shoots 63 on day one at Royal Troon, narrowly missing a putt on the 18th that would have given him the lowest round in major history.

Available to UK users only.

WATCH MORE: Oosthuizen hits 'magical' hole-in-one

Top videos