Rory McIlroy responded to a letter sent to PGA Tour members by Charlie Hoffman criticizing players for participating in non-PGA Tour events. Hoffman specifically mentioned TGL, the Race to Dubai, and "The Showdown," all of which McIlroy participated in.

When it comes to Charley Hoffman's letter to his fellow PGA Tour players, apparently, Rory McIlroy got the memo. And the four-time major champ had a few things to say in response. For those just catching up,

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The Northern Irishman has hit back at an open letter issued by Charley Hoffman over an apparent lack of commitment of some of the tour's players taking part in TGL