This year on tour, over a third of players used an alternative grip—cross-handed, pencil, claw, long putter or armlock. Here's which one was most effective.
The Wedge Guy: The 2 putting triangles – GolfWRX
The statistics behind Scottie Scheffler's incredible season - PGA TOUR
Best PGA stats of 2014-15: Jordan Spieth's 'ludicrous' putting
Which putting grip performs best on the PGA Tour? We analysed the stats - Australian Golf Digest
PuttLink Smart Golf Ball Review
Which putting grip performs best on the PGA Tour? We analyzed the stats, How To
The Wedge Guy: Practicing putting – GolfWRX
putting — Golf Blogs
SuperStroke: Congratulates Wyndham Clark on first-career PGA victory
Performance Putting – The Evaluator - TrackMan Golf
Matt Fitzpatrick reveals why PGA Tour stats can't always be trusted
How to Grip a Putter: 9 Ways the Pros Use - The New York Times