Jordan Spieth added two more birdies to complete a 7-under 64 for an early lead at the Genesis Open on a short day of work.

Among the early starters who finally finished the opening round Friday morning, Spieth was two shots ahead of Patrick Rodgers, Tony Finau and Kramer Hickok, a PGA Tour rookie who grew up with Spieth in Dallas. Play was delayed for seven hours on Thursday because of rain.

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Patrick Rodgers watches his tee shot on the second hole during the first round of the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Thursday, Feb. 14, 2019. (AP PhotoReed Saxon)

Jordan Spieth added two more birdies to complete a 7-under 64 for an early lead at the Genesis Open on a short day of work.

Tiger Woods drives on the second tee as first-round play continues in the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Friday, Feb. 15, 2019. (AP PhotoReed Saxon)

Spieth was bogey-free for the round. He holed a pair of 10-foot birdie putts in the six holes he played Friday morning. He faces his long day on Saturday as the tournament tries to get on schedule.

Tiger Woods hits from the second fairway rough as first-round play continues in the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Friday, Feb. 15, 2019. (AP PhotoReed Saxon)

Tiger Woods hits from the second fairway rough as first-round play continues in the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Friday, Feb. 15, 2019. (AP PhotoReed Saxon)

Players and spectators walk to the clubhouse as the sun sets as viewed from the ninth green during the first round of the Genesis Open golf tournament at Riviera Country Club Thursday, Feb. 14, 2019, in the Pacific Palisades area of Los Angeles. (AP PhotoRyan Kang)

Players and spectators walk to the clubhouse as the sun sets as viewed from the ninth green during the first round of the Genesis Open golf tournament at Riviera Country Club Thursday, Feb. 14, 2019, in the Pacific Palisades area of Los Angeles. (AP PhotoRyan Kang)

Tony Finau watches his drive on the second tee during the first round of the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Thursday, Feb. 14, 2019. (AP PhotoReed Saxon)

Tony Finau watches his drive on the second tee during the first round of the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Thursday, Feb. 14, 2019. (AP PhotoReed Saxon)

Tiger Woods didn't tee off until later Friday morning and faced a long day. He was 2 over through seven holes, and faced another 18 holes in the afternoon.

Patrick Rodgers watches his tee shot on the second hole during the first round of the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Thursday, Feb. 14, 2019. (AP PhotoReed Saxon)

Patrick Rodgers watches his tee shot on the second hole during the first round of the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Thursday, Feb. 14, 2019. (AP PhotoReed Saxon)

Spieth was bogey-free for the round. He holed a pair of 10-foot birdie putts in the six holes he played Friday morning. He faces his long day on Saturday as the tournament tries to get on schedule.

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Tiger Woods drives on the second tee as first-round play continues in the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Friday, Feb. 15, 2019. (AP PhotoReed Saxon)

Tiger Woods drives on the second tee as first-round play continues in the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Friday, Feb. 15, 2019. (AP PhotoReed Saxon)

Tiger Woods hits from the second fairway rough as first-round play continues in the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Friday, Feb. 15, 2019. (AP PhotoReed Saxon)

Tiger Woods hits from the second fairway rough as first-round play continues in the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Friday, Feb. 15, 2019. (AP PhotoReed Saxon)

Players and spectators walk to the clubhouse as the sun sets as viewed from the ninth green during the first round of the Genesis Open golf tournament at Riviera Country Club Thursday, Feb. 14, 2019, in the Pacific Palisades area of Los Angeles. (AP PhotoRyan Kang)

Players and spectators walk to the clubhouse as the sun sets as viewed from the ninth green during the first round of the Genesis Open golf tournament at Riviera Country Club Thursday, Feb. 14, 2019, in the Pacific Palisades area of Los Angeles. (AP PhotoRyan Kang)

Tony Finau watches his drive on the second tee during the first round of the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Thursday, Feb. 14, 2019. (AP PhotoReed Saxon)

Tony Finau watches his drive on the second tee during the first round of the Genesis Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Thursday, Feb. 14, 2019. (AP PhotoReed Saxon)