Scott, 34, used the long putter to win his first green jacket two years ago. He started this season with a conventional-length putter but struggled to find a comfort level.
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Scott, of Australia, used his week of practice rounds at Augusta as an opportunity to decide which putter he’d use.
“Putting with a longer putter is maybe the smarter thing to do,” Scott said. “I don’t know. It’s all about the lag putting. It’s such a difference in weight of club and stroke and everything. I’m just trying to figure it all out.”
A PGA Tour rule change banning long putters doesn’t go into effect until 2016, but players made the switch this season to prepare.