Justin Rose extends lead at Farmers Insurance Open

Justin Rose extended his lead at the Farmers Insurance Open. Pic: Caroline Brehman/AP

Justin Rose surged into a four-shot lead at the halfway point of the Farmers Insurance Open as he seeks a second victory at Torrey Pines.

The 45-year-old Englishman added a seven-under 65 on the tougher South Course to his opening 62 over the North Course to sign for a 17-under-par total.