Jason Day catches leaders at Pebble Beach with 8-under 64

Jason Day, of Australia, watches his tee shot on the eighth hole of the North Course during the second round of the Farmers Insurance Open golf tournament Friday, Jan. 27, 2017, at Torrey Pines Golf Course in San Diego. (AP Photo/Gregory Bull)PEBBLE BEACH, Calif. (AP) -- Jason Day took one step back and two birdies forward to complete an 8-under 64 and join Jordan Spieth and Derek Fathauer as the 36-hole leaders in the AT&T Pebble Beach Pro-Am.

The second round was not completed until Saturday morning because of a rain and fog delays.

Day was coming off four straight birdies at Spyglass Hill when play was stopped by dense fog. He resumed by missing the 13th green to the right, chipping to 4…