/teamtitleist/ca/b/weblog/posts/european-tour-validation-begins-for-prototype-pro-v1-and-pro-v1x-golf-balls <p> slideshow.titleist.com/.../848.xml </p> <p>This week's DP World Tour Championship is a momentous tournament on the European Tour not only because it's the last event of the season, but also because it's tour seeding week for the new prototype Proen-USTelligent Community 10