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Couples closed out with four pars for a 71 which he hopes will help him make the cut for only the second time in the past seven years.

However, Song had eight pars and seven birdies over the last 15 holes.

After a run of four pars, he dropped a shot at the par-three seventh after failing to get up-and-down from left of the green.

But while there were birdies to be had on the front nine, Rahm also showed how tough the back nine would be as he had eight pars and a bogey to finish on one under.

But the 37-year-old steadied the ship with four straight pars and picked up shots at the 16th and 18th, sinking a 20-foot birdie putt on the last.