Rory McIlroy and Luke Donald lead the way after second day in Dubai . Dubai 's 189th ranked Marc Warren also level with leaders on 11-under . Elsewhere , South African pair Louis Oosthuizen ( 67 ) and Branden Grace ( 65 ) sit a shot off the lead with Masters champion Charl Schwartzel ( 67 ) and Scotsman Richie Ramsay ( 68 ) tied for sixth at nine-under par . Sergio Marc Warren equals course record of eight following round of 189th -under . South African duo Louis Oosthuizen and the World Tour Championship a shot off the lead .
Rory McIlroy and Luke Donald lead the way after second day in Dubai . Dubai 's 189th ranked Marc Warren also level with leaders on 11-under . Sergio Marc Warren equals course record of eight following round of 189th -under . South African duo Louis Oosthuizen and the World Tour Championship a shot off the lead .