/teamtitleist/b/tourblog/posts/billy-mayfair-with-the-new-907-driversTitleist ambassador Billy Mayfair was working with both the new 907D1 and 907D2 drivers today on the practice range. After playing the Pro Titanium 905R for 13 of the first 14 tournaments this year, he has had the 907D1 in the bag for three consecutiveen-USTelligent Community 10