Professor Radar tests some of the PGA Tour's finest on their FedExCup knowledge

How much do the elite PGA Tour professional actually know about the FedExCup play-offs?

We sent Professor Radar to TPC Boston to quiz the likes of Rory McIlroy, Luke Donald and the hilarious Boo Weekley on the extent of their knowledge.

Will any of them get top marks? Watch the video to find out ...