Rory used Titleist's Pro V1x for his golf ball
Pro V1x
The ProV1x I believe he still plays the 2009 model.
proV1X
Titleist Pro v1X
Pro-V1x
Rory McIlroy Uses a Pro V1X
Rory, the fighting irishman, played with a PRO V1x.
Titleist Prov1x