The round, which was his best start in a Major, included five birdies, three on the front nine and two on the back and two bogeys, both on back nine
Hanlon and Irfan returned the better back nine
score of 36 to the Koreans' 39.
In the back nine
, he managed two more birdies on the 12th and the 18th but it was split by bogeys on the 14th and 17th.
With his excellent round of 74, two over par, Tariq who carded 70, two under in his overnight made an aggregated total of 144, par, over 36 holes with 36, par at front nine and 38, two over par, at back nine
, hitting three birdies at holes 1, 8 and 17 besides missing a stroke at holes no 2, 5, 7, 11 and 15.
Spieth was bang in line to post that crucial first point but fell apart on the back nine
as the Northern Irishman battled back.
I was around 10th going into the back nine
on Sunday last week and similar the week before in Switzerland so if I can get myself in a good position come the back nine
this weekend, again, hopefully I can give it a go.
Whiteford, who is 190th in The Race to Dubai having only made four cuts all season, had a brilliant front nine, notching five birdies and an eagle against one dropped shot, and then played the back nine
in level par.
Eventually Nigel Marshall E emerged as winner with a countback score which included a back nine
with no dropped shots and two birdies.
Starting on the back nine
, McIlroy bogeyed his opening hole, the par-four 10th, before parring 11 and picking the shot back up on 12.
London, May 17 ( ANI ): British golfer Paul Casey has equalised the PGA Tour record for the best score on a back nine
after he recorded an eight-under-par 27 in the second round at the Byron Nelson Championship.
Shahid Javed, a winner of Asian Pacific Open Golf Championship held in Thailand, six times national champion carded 33, three under par at front nine and 32, four under par at back nine
by recording eight birdies and just missed a stroke over hole no.
Lee began on the back nine
and fired six birdies, then added another at the first to stand seven-under.