/teamtitleist/b/tourblog/posts/slideshow-seeding-and-testing-of-new-prototype-titleist-irons-begins The seeding and tour validation process for the new Prototype Titleist AP1, AP2, CB and MB (712 series) irons is officially underway at Aronimink Golf Club outside Philadelphia. On Monday, several Titleist Brand Ambassadors were welcomed on the rangeen-USTelligent Community 10