The Clara man is 6 under par heading into round three.
Shane Lowry has carded a 5 under par second round of 67 at the at the season-ending DP World Tour Championship in Dubai.
The Clara man is 6 under par heading into round three.
Rory McIlroy is now in a share of the lead
The world number three is eight-under-par midway his round, with Antoine Rozner also at that score out on course.
Tom McKibbin is three-under after a second round of 70.