Results Groove Golf Grip at USGA Senior Open

7/17/12 Five players in the USGA senior open were using the grooved grip technology on their putter. The following are the results:

Position/Average putts when green hit in regulation/Total Putts

T12th 1.60 28.75

T15th 1.69 30.5

T22nd l.68 30.2

T28th 1.64 29.5

T36th 1.64 29.5