Dec 6 (Reuters) - Second round scores from the Northwestern Mutual World Challenge at the par-72 Sherwood Country Club in Thousand Oaks, California on Friday (U.S. unless stated): 133 Tiger Woods 71 62 135 Zach Johnson 67 68 136 Matt Kuchar 68 68 139 Graeme McDowell (Northern Ireland) 72 67 140 Bubba Watson 70 70 141 Bill Haas 73 68, Jim Furyk 72 69 143 Keegan Bradley 75 68, Ian Poulter (England) 76 67 144 Jason Day (Australia) 76 68, Webb Simpson 73 71 145 Jason Dufner 74 71 149 Jorda
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