The Adelaide native becomes the latest player to win a major using the controversial belly putter.

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For now though, Scott has time to savor his win at Augusta, while golf's regulators come up with a belly putter solution.

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Earlier this month, 14-year-old Guan Tianlang of China used a belly putter to win the Asia-Pacific Amateur, thereby qualifying for the Masters.

WSJ: Putters Should Just Be Putters

But the greater significance of his win was that he used a belly putter, making him the first major champion to do so.

WSJ: From Woods to McIlroy to Donald, Why 2011 Was a Very Good Year in Golf | Golf Journal by John Paul Newport

"None of the best putters in the world use a belly putter and I know from talking to guys like Ernie, like Keegan Bradley and Webb Simpson, I think they do feel a little bit that there's a target on their back, " added Harmon.

CNN: Els' coach wants quick belly putter decision

One peculiarity of 2011 was how many of the year's most noteworthy developments, like the belly-putter controversy, occurred after the PGA. Donald, for instance, was a last-minute entry into the normally neglected, late October, season-ending Fall Series event at Disney World.

WSJ: From Woods to McIlroy to Donald, Why 2011 Was a Very Good Year in Golf | Golf Journal by John Paul Newport

Scott's win means four of the last six major champions used a putter pressed against their belly or chest, a stroke that might be banned in 2016.

NPR: Scott Beats Cabrera In A Playoff At Augusta

Scott had won with a long putter the week before, and Webb Simpson followed Bradley with two belly-putted victories in three weeks.

WSJ: From Woods to McIlroy to Donald, Why 2011 Was a Very Good Year in Golf | Golf Journal by John Paul Newport