Jan 31 (Infostrada Sports) - Scores from the U.S. PGA Tour Phoenix Open at the par-71 course on Thursday in Scottsdale, Arizona holes played rounds -7 Yang Yong-Eun (South Korea) 18 64 Bubba Watson (U.S.) 18 64 -6 Chris Kirk (U.S.) 18 65 William McGirt (U.S.) 18 65 Greg Chalmers (Australia) 18 65