Photo: DR

“When I joined the Callaway team 10 years ago, I knew I was making the best decision of my career”, said Mickelson.“And I feel even stronger about this decision today. Supported by innovative technologies, cutting-edge products, I work in close collaboration with the  R & D, I sincerely believe that the best years of my career are yet to come. "

At 44 years old, the American champion in five grand slam tournaments to his credit and signed 42 victories on the PGA circuit.

As Pro Staff, he will continue to play with his clubs, his balls and his bag in the colors of Callaway, "We are delighted to extend our partnership with Phil",says Chip Brewer, President and CEO of Callaway Golf. "He has brought a lot to Callaway, and continues to inspire us to develop ever more innovative equipment."

Find out more about Callaway Golf at http://www.callawaygolf.com