On Monday night the jumbotron showed fans as part of a karaoke bit, before one man took his chance to clearly mouth “FIRE NICO.” The camera quickly cut away, and within minutes security descended on the fan and escorted him out of the arena.

A fan got the boot on Monday after he publicly called for Dallas Mavericks general manager Nico Harrison's firing during the Mavs' game against the

GM Nico Harrison had to know there was going to be plenty of backlash when he pulled the trigger on the trade that sent Luka Doncic to the