Former World No.1 Jin Young Ko has had one of the most successful careers in the modern era of women’s golf – and a lot of that has come with veteran looper David Brooker by her side.

It's rare these days for LPGA players to keep the same caddie – even if its family – for most of their careers.

"Until someone can do that, I'd rather die on the golf course." Alexa, now 20 ... who'd won 13 times with veteran caddie David Brooker on the bag. Meet some of the longest and most successful ...