LOS ANGELES (AP) -- Justin Thomas was playing well enough to want to keep going, with six birdies in a seven-hole stretch before it was too dark to continue Friday at the Genesis Open.It also was raining.It was cold.And he already had been slogging through Riviera for nine hours."It's hard playing 30 holes, but it's really hard when it's raining and it's soft," Thomas said after making 14 birdies on a long day that sent him home tied for the lead with Adam Scott at 10-under par.