Three pars on the back nine were followed by a crucial spell which saw Rory birdie five of the last six holes including the par-four 18th to win.
It's ironic to think that the last time I won was when Arnie passed away. To be able to create my own little piece of history on the 18th green here was pretty special. I'm just so happy to be back in the winner's circle again and win a tournament that has Arnold Palmer's name on it, someone that means so much to us in the game of golf.
Rory finishes the 2016 season on a high note by winning the TOUR Championship and FedEx Cup in a dramatic playoff.
To hole that winning putt in the end was a great feeling. Winning the Tour Championship and the FedEx Cup was fantastic.
Winning a home Open for the first time is a special experience for any golfer. Fighting back from behind to clinch victory at the Dubai Duty Free Irish Open made it even more so for Rory.
To win in front of my home fans and to look up and see my friends and family there is something very special for me.
Rory picks up a third career Race to Dubai trophy
Rory’s third consecutive taste of Ryder Cup victory at Gleneagles
Rory wins back-to-back Majors by taking the US PGA at Valhalla, overcoming a three shot deficit with 9 holes remaining.
I never thought I’d get this far at 25 years of age.
Rory's third major came at Hoylake at The Open. As a European, he’d always considered this as his home major and so it was a wonderful way to achieve his hat-trick.
This is the first Major my mum has been to that I've won, so mum, this one's for you.
Rory wins the BMW PGA Championship at Wentworth, carding a 66, 6-under-par on the final day to clinch victory.
My caddie JP (Fitzgerald) set me the target of 15 under today. I didn't quite get there but 14 under was enough.
Rory wins three of Europe’s 14.5 points at the 2012 Ryder Cup to help secure their one point victory over the US in what became known as the ‘Miracle of Medinah’.
I was just casually strolling out of my hotel room when I got a phone call saying you have 25 minutes. I have never been so worried driving to the course.
Rory wins the PGA Championship at Kiawah Island with a seven-stroke victory, making him the youngest multiple major champion since Seve Ballesteros.
It means an awful lot to look at the names on that trophy and put mine alongside them.
Still only 22, Rory claims his first major at Congressional by a record breaking 8 strokes (16 under par total) to card the lowest aggregate score in US Open history.
Unbelievable, with what's happened over the last couple of months, and to come back and do this, it's fantastic. After the Masters, he worked so hard. It's fantastic. You couldn't beat it.
Ryder Cup debut with the winning European team at Celtic Manor
Rory scores the lowest-ever first round score in the 150-year history of the Open Championship with a 9-under-par 63 on the opening day.
Rory played an almost flawless round of golf on one of his favourite courses. He hasn’t lost the deft touch and array of shots required to play such a classic links.
Rory joins the US PGA tour for the 2010 season and picks up his first victory at the Quail Hollow Championship after scoring a 62 in the final round.
Winning in the US is hugely important to me. A win is special anywhere, of course, but to beat such a strong American field at Quail Hollow gives me great confidence that my game is strong enough for any field, anywhere in the world.
Holding off fierce competition, Rory wins his first European Tour event at the Dubai Desert Classic, taking his world ranking to 16 after only 18 months as a pro.
I definitely needed to put that one to bed. I’d come close a couple of times before but getting across the line this time, at such a great event, is an amazing feeling.
After his last amateur outing at the Walker Cup at Royal County Down, Rory turns professional and graduates to the European Tour.
It's not all glitz and glamour. You have to grind it out, you have to persevere and you have to earn your stripes. This season I've had to tell myself to remain patient. Sometimes I forget I'm only 19 years old and have a lot of time on my hands.
Rory wins the Silver Medal at Carnoustie and tops the Amateur world rankings for the first time.
I'm pretty much a normal teenager, I like to go out and go to the cinema, try and think about golf as little as possible when I'm off the golf course and just try and lead a normal life.
Rory shoots an amazing 11-under-par 61 on the Dunluce course at Royal Portrush in the Magners North of Ireland Championship. He has just turned 16.
I was still lying in my bed last night thinking about it, to shoot 61 anywhere is unbelievable but to shoot it round Royal Portrush is even better.
Europe’s Junior Ryder Cup Team
First Hole in One, aged 10
Rory faces down the competition at the Doral Gold Resort in Miami to win the Age 9-10 World Championship, picking up what would be his first international title.
The win in Miami was such a milestone for Rory. But it’s no real surprise. The relentless work he put into his game, even at that age, had really paid off.
Rory McIlroy becomes the youngest member of Holywood Golf Club in Northern Ireland at the tender age of 7, joining his father and uncles on the course.
As soon as he learned to walk, Rory spent all of his time up at the club. Even as an eight-year-old, he was such an asset to Holywood Golf Club’s membership.