Golf: Johnson's bag ain't heavy, he's my brother

It was a family affair for Dustin Johnson as he picked up the biggest win of his career in Shanghai Sunday, with the help of his little brother and the support of his fiancee.

Austin Johnson was on the bag this week instead of regular caddie Bobby Brown, while Canadian fiancee Paulina Gretzky, daughter of the legendary ice hockey player Wayne, was following their every step throughout the 72 holes at Sheshan Golf Club.

And on the 18th green Sunday the trio could celebrate as Dustin pocketed the World Golf Championships-HSBC Champions crown -- and a cheque for $1,400,000 -- after a three-shot victory over Ian Poulter of England, the defending champion.

"My brother came to caddie for me in Australia and then he was coming on to Thailand with me," explained Johnson after his win.

The trio had enjoyed a holiday together in Thailand after Johnson tied for 12th place at the European Tour's Perth International in Australia two weeks ago.

"So I just called Bobby (Brown, Johnson's regular caddie) and said there's no point in him to fly all the way over here for this one week, especially as he just had a new baby."

The trio clearly had a blast in Thailand, posting pictures on social media of them cuddling tiger cubs and riding elephants, as well as a video of Dustin and Austin throwing synchronised backflips into a swimming pool.

Johnson had last won at the beginning of January at the Hyundai Tournament of Champions in Hawaii, his first event of 2013.

The break in Thailand obviously did him a world of good, as he bookended 2013 perfectly with victory in his last event of the year.

The shot that won the tournament for Johnson was a 20-yard pitch-in for eagle two at the short par-four 16th. It finally ended the valiant twin-pronged European challenge of Poulter and Graeme McDowell, who had piled the pressure on Johnson all day as the lead swapped hands multiple times.

Johnson was happy he was able to share the moment with his little brother.

"I knew on 16 I needed to hit a good tee shot, which I hit perfect," said Johnson. "If you were going to pick up and place it, it would have been right on that spot.

"And the pitch shot, I was talking to my brother right before I hit. I said: 'I think I'm going to make this one.' I hit the pitch perfect and it went right in the middle."