Charlie Hull, Michael Brennan shoot for 55 to make Grant Thornton history | Golf Channel

Charlie Hull and Michael Brennan were on a different level in the first round of the Grant Thornton Invitational after shooting for a historic score of 55, ending the day on top of the leaderboard. #golfchannel #golf #grantthornton » Subscribe to Golf Channel: https://www.youtube.com/golfchannel?sub_confirmation=1 » For the latest news around golf: https://www.nbcsports.com/golf Welcome to Golf Channel's official You...