Geoff Shackelford and the Morning Drive team take their picks on who they think the rest of the PGA Tour should fear this season; Rory McIlroy, Justin Thomas, Tiger Woods or Brooks Koepka? #NBCSports #PGATour #MorningDrive » Subscribe to Golf…

Check out our relaxing golf swing livestream here: 🏌️🎶 Ahead of the US Open, Rory McIlroy and Iona Stephen break down the Northern Irishman’s impressive swing in slow motion (face on and down the line) and explain how the 4-time…