Players chirping about golf courses is nothing new, but it's gone to a new level prior to this week's PGA Championship.

One month ago, less than 24 hours before the Masters began, a local radio station was incredulous reading through the nine most likely golfers to claim the green jacket. Some of the hosts raised eyebrows,

The PGA Championship is brimming with compelling storylines ahead of Thursday's opening round, perhaps none bigger than whether Rory McIlroy will be able to build on his career Grand Slam success at one of his favourite venues.