This fan now knows what it’s like to be hit by an NFL safety.

A shirtless man ran onto the field during Thursday’s NFL preseason game between the host Green Bay Packers and Kansas City Chiefs.

Video posted on social media shows Chiefs safety Harold Jones-Quartey slamming down the intruder at about the 25-yard line – after a team of approximately a dozen security guards and police officers chased the fan back by about 15 yards.

It likely was the most memorable event in this meaningless preseason game.

The Packers beat the Chiefs, 27-20. Patrick Mahomes and Aaron Rodgers did not play. Kyle Shurmur, the son of Giants coach Pat Shurmur, was 14-for-20 for 143 yards with a touchdown and an interception for the Chiefs.