By The Associated PressPEBBLE BEACH, Calif. — Phil Mickelson looks like he won't be able to celebrate his 49th birthday by completing the career grand slam. Needing to post a low score in the third round at Pebble Beach to get into contention Saturday, Mickelson failed to drain birdie putts early and self-destructed late to finish with a 4-over 75 and another disappointing weekend at the U.S.