The guy, who was apparently born in Florida but moved to Ohio, shows up in the Heat jersey and doesn't do anything to provoke being thrown out.
However fans started chanting, "Asshole, asshole" and "Fuck LeBron" over and over again and police decided to escort him out.
Source:
http://blogs.miaminewtimes.com/riptide/2010/07/man_in_lebron_heat_jersey_show.php
