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 season-ending DP World Tour Championship in Dubai.
The Clara man is 6 under par heading into round three.
Rory McIlroy is in a tie for second following his second round.
He shot a 3-under-par round of 69 today to leave him 8-under all round and just one shot off the lead that's held by Frenchman Antoine Rozner.
Mcllroy will be crowned Race to Dubai champion if he's inside the top ten on Sunday.
Tom McKibbin heads into the weekend on three-under.
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