After back-to-back rounds of 5-under 66, Dustin Johnson leads the Genesis Open by one shot after 36 holes and three days of play at Riviera. Two days of inclement weather in Los Angeles have Johnson and the rest of the field set for a marathon Sunday as the tournament attempts to avoid a Monday finish. Here's where things stand through two completed rounds at Riv:
Leaderboard: Johnson (-10), Pat Perez (-9), Cameron Tringale (-9), Jhonattan Vegas (-7), Patrick Rodgers (-7), J.T. Postan (-7), Scott Brown (-6), Charley Hoffman (-6), Luke Donald (-6), Kevin Na (-6)
What it means: Johnson is 36 holes from his 13th PGA Tour victory and the No.