Knapp fires 59 in PGA Tour event at Palm Beach

American Jake Knapp carded the 15th sub-60 round in PGA Tour history on Thursday with a 59 in the first round of the Congnizant Classic at Palm Beach Gardens in Florida.

The 30-year-old poured in 12 birdies in his bogey-free round at PGA National, making a 20-foot putt on the last green to join the small club of players to break 60 on tour.

Knapp started with five consecutive birdies before a birdie on the ninth saw him play the outward half in six-under 30.

Five more birdies in the first six holes of the back nine set up a chance for a 59, which he took on the par-five 18th.

Former US Open champion Jim Furyk holds the record for the lowest ever PGA Tour round with a 58 at the 2016 Travelers Championship.

Knapp won his first ever PGA Tour title at the Mexico Open last February.