Photos: Northern Trust Open

Phil Mickelson chips onto the second green in a rain shower Saturday during the third round of the Northern Trust Open at Riviera Country Club on Saturday.   (Gina Ferazzi / Los Angeles Times)

Andres Romero hits his tee shot on the par-three 16th hole Saturday during the third round of the Northern Trust Open. Second-round leader Dustin Johnson, left, and their group’s caddies watch.  (Gina Ferazzi / Los Angeles Times)

Kevin Stadler tees off at No. 15 as the sun sets over the hills of Pacific Palisades on Saturday during the third round of the Northern Trust Open. Twelve players were still on the course when third-round play was suspended because of darkness.  (Gina Ferazzi / Los Angeles Times)

Fans makes their way around Riviera Country Club in a rain shower during the third round of the Northern Trust Open on Saturday.   (Gina Ferazzi / Los Angeles Times)

With the shadows from spectators in the grandstand covering the green, Luke Donald walks up to his tee shot at the par-three 14th Saturday during the third round of the Northern Trust Open.   (Gina Ferazzi / Los Angeles Times)

With spectators to his side and photographers behind him, Anthony Kim hits his tee shot at No. 15 on Saturday during the third round of the Northern Trust Open at Riviera Country Club.   (Gina Ferazzi / Los Angeles Times)

Spectators gather around the clubhouse at Riviera Country Club as Phil Mickelson starts his third round of play in the Northern Trust Open on the first tee Saturday.   (Gina Ferazzi / Los Angeles Times)

Phil Mickelson reacts after making a putt for eagle on the first hole during the third round of play in the Northern Trust Open on Saturday.   (Gina Ferazzi / Los Angeles Times)

Ryo Ishikawa knocks the ball out of the rough along the third fairway during the third round of play in the Northern Trust Open on Saturday at Riviera Country Club.  (Gina Ferazzi / Los Angeles Times)