Everything you need to know about Rory McIlroy's training aid: What it is, where to buy it and how it can help your game. The post Rory McIlroy’s favorite training aid, explained appeared first on ...

If you watch Rory McIlroy on the range at any tour event, chances are that you’ll see him toting around a little green ball with him - and this week at the DP World India Championship was no different ...