(Reuters) - Long-hitting Dustin Johnson closed in on the world number one ranking when he took the second-round lead at the weather-plagued Genesis Open on Saturday.
Johnson overcame some errant iron shots mid-round, storming home with three birdies in the final four holes for a five-under-par 66 on the damp and unusually lush Riviera course.
The U.S. Open champion posted a 10-under 132 halfway total in the event formerly known as the Los Angeles Open, one stroke better than fellow Americans Pat Perez (66) and Cameron Tringale (64).
Venezuelan Jhonattan Vegas trailed by three shots along with Americans Patrick Rodgers and J.