By Sean Martin, PGATOUR.COM
SAN MARTIN, Calif. -- Jimmy Walker and Brooks Koepka are tied for the lead on the final nine holes at the Frys.com Open. Walker, who has completed 13 holes, and Koepka, who's played 12, are both at 16 under par.
They're two shots clear of the field. Scott Brown and Kevin Na, who played in the same threesome Sunday, both shot 64 to post 14-under 270. Vijay Singh is 14 under par through 13 holes.
Koepka made bogey on No. 11 to fall to 15 under, but birdied the par-5 12th hole. Walker parred Nos. 10-12 before making a birdie at No. 13 to reach 16 under.