On the final day before the 2020 PGA Championship tees off, CBS Sports HQ golf expert Kyle Porter breaks down his expectations for the premier groups heading into Thursday. Porter discusses what's at stake for Tiger Woods, Justin Thomas and Rory McIlroy and says that he would not be surprised if any of the three walks away victorious. Watch this full preview for a better understanding of the odds heading into the tournament. SUBSCRIBE TO OUR CHANNEL: https://www.youtube.com/user/CBSSportsHQ FOLLOW US ON: Facebook - https://www.facebook.com/CBSSports/ Instagram - https://www.instagram.com/cbssports/ Twitter - https://twitter.com/CBSSports