Phil MIckelson drives on the fourth tee during the first round of the Northern Trust Open at Riviera Country Club in the Pacific Palisades area of Los Angeles Thursday, Feb. 14, 2013.

Phil MIckelson drives on the fourth tee during the first round of the Northern Trust Open at Riviera Country Club in the Pacific Palisades area of Los Angeles Thursday, Feb. 14, 2013.