American Luke Guthrie leads by four shots at the halfway stage of the BMW Masters in Shanghai.
Luke Guthrie has recorded a second-round 71 to consolidate his lead at the top of the leaderboard at the BMW Masters.
The world number 85 produced a solid performance on a day where few managed to go low, and he holds an advantage over six players who finished the second round on four-under-par.
England's Simon Dyson and Paul Casey are part of that group, while Scotland's Scott Jamieson hit a 68 to join them in a tie for second place.
Northern Ireland's Rory McIlroy is seven shots off the pace on one-under-par, alongside Lee Westwood and Ian Poulter.
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