Bill Haas celebrates after stroking the winning putt in a tiebreaker against Phil Mickelson and Keegan Bradley on Sunday during the Northern Trust Open at the Riviera Country Club in Pacific Palisades. (Luis Sinco / Los Angeles Times)
Bill Haas tracks his winning birdie putt at No. 10, the second playoff hole, on Sunday at Riviera Country Club, where he won the Northern Trust Open. (Luis Sinco / Los Angeles Times)
Bill Haas holds aloft the winner’s trophy after defeating Phil Mickelson and Keegan Bradley in a playoff for the Northern Trust Open championship on Sunday at Riviera Country Club. (Luis Sinco / Los Angeles Times)
Keegan Bradley falls to his knees after just missing a birdie putt from the fringe on the second playoff hole Sunday during the Northern Trust Open at Riviera Country Club. (Luis Sinco / Los Angeles Times)
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Phil Mickelson hits from the greenside bunker at No. 10 during the second playoff hole. Mickelson needed to hole the shot to force a tie with eventual winner Bill Haas. (Chris Carlson / Associated Press)
Phil Mickelson gathers his composure after missing a birdie putt on the first playoff hole Sunday during the Northern Trust Open at Riviera Country Club. (Chris Carlson / Associated Press)
Keegan Bradley celebrates after making a birdie putt at No. 18 to force a three-way tie after 72 holes with Phil Mickelson and Bill Haas in the Northern Trust Open on Sunday at Riviera Country Club. (Luis Sinco / Los Angeles Times)
Phil Mickelson and the spectators react after he sank a birdie putt from the fringe at No. 18 Sunday to join a three-way tie atop the leaderboard after 72 holes during the Northern Trust Open at Riviera Country Club. (Luis Sinco / Los Angeles Times)
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Phil Mickelson hits from a greenside bunker at No. 17 during the final round of the Northern Trust Open on Sunday at Riviera Country Club. (Luis Sinco / Los Angeles Times)
Phil Mickelson tries to find the line for a putt on Sunday during the final round of the Northern Trust Open at Riviera Country Club. (Luis Sinco / Los Angeles Times)
Phil Mickelson chips onto the 16th green at Riviera Country Club on Sunday during the final round of the Northern Trust Open. (Luis Sinco / Los Angeles Times)
Keegan Bradley lines up a putt at No. 14 on Sunday at Riviera Country Club during the final round of the Northern Trust Open. (Luis Sinco / Los Angeles Times)
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Bill Haas rolls a putt toward the hole at No. 14 on Sunday during the final round of the Northern Trust Open at Riviera Country Club. (Luis Sinco / Los Angeles Times)
Phil Mickelson, who shot even-par 72 on Sunday, had back-to-back three putts that prevented him from taking control of the Northern Trust Open on Sunday at Riviera Country Club. (Luis Sinco / Los Angeles Times)
Bryce Molder hits out of bunker Sunday during the final round of the Northern Trust Open at Riviera Country Club. Moulder struggled throughout the day, finishing at five over par to finish tied for 17th at one under for the tournament. (Luis Sinco / Los Angeles Times)
Dustin Johnson, who shot an even-par round and tied for fourth, drives the ball off the tee at No. 12 at Riviera Country Club on Sunday during the final round of the Northern Trust Open. (Stephen Dunn / Getty Images)
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Bill Haas, who would shoot a final-round 69, hits his tee shot at No. 11 on Sunday in the Northern Trust Open at Riviera Country Club. (Stephen Dunn / Getty Images)
Keegan Bradley reacts after making a birdie at No. 9 on Sunday during the final round of the Northern Trust Open at Riviera Country Club. (Harry How / Getty Images)
Keegan Bradley follows through on his tee shot at No. 9 at Riviera Country Club during the final round of the Northern Trust Open on Sunday. (Stephen Dunn / Getty Images)
Keegan Bradley lines up his putt at the eighth hole during the final round of the Northern Trust Open on Sunday at Riviera Country Club. (Harry How / Getty Images)
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Phil Mickelson takes his putter from caddie Jim MacKay after his approach shot at No. 7 on Sunday during the final round of the Northern Trust Open at Riviera Country Club. (Harry How / Getty Images)
Bryce Molder hits his second shot at the seventh hole Sunday during the final round of the Northern Trust Open at Riviera Country Club. (Harry How / Getty Images)
Phil Mickelson follows through on his tee shot at the fifth hole at Riviera Country Club on Sunday during the final round of the Northern Trust Open. (Stephen Dunn / Getty Images)
Jonathan Byrd chips onto the fourth green Sunday at the Northern Trust Open during the final round. (Stephen Dunn / Getty Images)
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Phil Mickelson reacts after missing a birdie putt at No. 4 on Sunday during the final round of the Northern Trust Open at Riviera Country Club. (Stephen Dunn / Getty Images)
Bill Haas watches his drive at No. 2 on Sunday during the final round of the Northern Trust Open at Riviera Country Club. (Reed Saxon / Associated Press)