LOS ANGELES (AP) -- J.B. Holmes made a hole-in-one on the sixth hole at Riviera on his way to an 8-under 63 and a one-shot lead over Jordan Spieth after one round of the rain-soaked Genesis Open.Spieth played six holes Friday morning to complete his round at 64.The start of the tournament Thursday was delayed seven hours because of rain, and the second round will not be completed until Saturday.Tiger Woods had four straight birdies around the turn, only to be slowed by four three-putt bogeys.