Jordan Spieth, using new Titleist irons, cards six birdies Thursday at 2021 British Open
First look: Titleist's T-Series irons debuting this week on tour | Golf Equipment: Clubs, Balls, Bags | Golf Digest
First Look: Titleist T-Series irons unleash faster faces, once again with the forgiving power of tungsten | Golf Equipment: Clubs, Balls, Bags | Golf Digest