The world number 20 enjoyed a cleaner round after a tricky Thursday in Dubai.
Shane Lowry found improved form for Day two of the DP World Tour Championship in Dubai.
The 2019 Open Champion carded a 70 and is 1 under for the tournament.
England's Tyrrell Hatton is out in front.
He is currently 11 under par, a shot ahead of Matt Fitzpatrick.
Rory McIlroy finished birdie, birdie, eagle for a 68 and a 5 under par tournament total.
He's's hoping his good finish can give him something to build on over the weekend:
Seamus Power begins his second round at the RSM Classic in Georgia from 4 under par, four shots off the pace.
Leona Maguire is 3 under after her opening round at the CME Group Tour Championship in Florida.
She is also four shots off the lead.