Dustin Johnson takes halfway lead at HSBC Champions in Shanghai . Shoots course record equaling 63 at Sheshan International . First round leader Rory McIlroy falls back into tie for second . `` I 've probably seen 18 of the best drives I 've seen all year in the last two days , '' he remarked during their round . ` British Open champion Phil Mickelson wins his first major title since 2008.
Dustin Johnson takes halfway lead at HSBC Champions in Shanghai . Shoots course record equaling 63 at Sheshan International . First round leader Rory McIlroy falls back into tie for second . British Open champion Phil Mickelson wins his first major title since 2008.