Unruly fan behavior draws ire of Zach Johnson, Billy Horschel at Phoenix Open - ESPN

Temperatures are only in the 50s, but tempers continue to run hot at the Phoenix Open due to unruly fan behavior.

The PGA Tour event, known for its huge crowds and partylike atmosphere at TPC Scottsdale, continued to get out of hand Sunday after organizers had attempted to slow down the festivities Saturday.

Zach Johnson was caught on social media laying into a heckler after a tee shot.

«Don't 'sir' me,» a clearly agitated Johnson told a group of fans before storming off. «Somebody said it. I'm just sick of it. Just shut up!»

Elsewhere on the course, Billy Horschel took exception to fans making noise during a swing by fellow competitor Nicolo Galletti on the 11th hole.

«Buddy, when he's over the shot, shut the hell up, man,» Horschel yelled at a fan. «Come on, he's trying to hit a damn golf shot here. It's our f---ing job.»

On another hole, Jordan Spieth was agitated when a fan yelled during his backswing. Spieth still hit his approach shot to 15 feet, but he dropped his club and pointed to somebody in the gallery after the fan yelled.

«What the f---?» Spieth could be seen saying as he glared at the gallery.

There were other incidents shown on social media, including fights among spectators and other alcohol-fueled incidents.

On Saturday, tournament officials briefly stopped alcohol sales at several locations around the course, hoping to slow down the party. They also briefly turned away ticket holders around 2 p.m. Saturday because it was too crowded.

The Phoenix Open, dubbed «Greatest Show on Grass,» is unlike anything in golf. Masses of up to 200,000 fans pack TPC Scottsdale's Stadium Course with cheers, boos and the occasional beer shower.

The eye of the rowdy hurricane is the 16th hole, a multitiered party of a