It was a return six years in the making, and it was a return that perfectly encapsulated Rory McIlroy. Making the trek back to Royal Portrush for The Open Championship -- now as a career grand slam winner -- the Northern Irishman experienced a topsy-turvy day as the hard stuff came easy and the easy stuff came hard.

McIlroy didn't play his best Thursday at Royal Portrush but shot 1-under 70 and is three shots off the 18-hole lead.

Rory McIlroy shot 1 under Thursday at Royal Portrush, a better start than the first time he played the British Open at the Northern Ireland course near home.

Yes. McIlroy debuted at the 2007 British Open as a low amateur. Since then, he has managed one win at the final golf major of the year. McIlroy finally completed the feat at the 2014 British Open, when the tournament was held at the Royal Liverpool Golf Club in Holylake, England.

Six years ago at Royal Portrush, McIlroy, who grew up less than an hour away, hit his opening shot out of bounds on the par-4 first on his way to a quadruple-bogey 8 and a 79. He pulled his tee shot again, this time around, but it settled safely in the left rough.

The last time the British Open came to Royal Portrush in Northern Ireland, Rory McIlroy missed the cut. Will he claim his second major of the year this time around?

Rory McIlroy is back at Royal Portrush for the Masters and admits he was taken aback by the volume of support he received when he played in his homeland six years ago