US Open winner Lucas Glover has credited a new Nike prototype putter as one of the key factors in his surprise victory at Bethpage.
Glover took just 116 putts for his 72 holes, second only to David Duval and Phil Mickelson in the leading pack, and earned many plaudits for his composure on the greens.
After the round he attributed much of his performance to Nike's prototype putter, which he has had in the bag since the Bob Hope Classic earlier in the year.
The switch has seen him jump from ranked 116th in putts per round last year to tied 23rd this year.
The prototype putter, which is a heel-shafted Anser style and has red grooves on the face, is similar to prototypes used recently by Paul Casey, Trevor Immelman and Stewart Cink.
Nike has so far stayed tight lipped about the details of the prototype and whether or not it will be released for general sale.
Glover was also the first player to win a Major Championship using a square-headed driver - the Nike SQ SUMO2 Tour.
Glover's US Open-winning bag comprised:
Driver: Nike SQ SUMO2 Tour
Fairway woods: Nike SQ2 3-wood (13 degree) and Nike SQ2 5-wood (19 degree)
Irons: Nike CCi Forged (3-PW)
Wedges: Nike SV 54 degree and Nike SV 59 degree
Putter: Nike prototype
Ball: Nike ONE Tour D
Footwear: Nike Air Zoom Elite II