The Knicks organization likes to use the saying "Once a Knick Always a Knick," but that should come with the caveat unless you're Charles Oakley. Oakley was thrown out of Madison Square Garden and arrested during New York's game with the LA Clippers after getting into an altercation with multiple security guards.
The "New York Post" reported Oakley got into an argument with Knicks owner James Dolan. It's well-known that Oakley and Dolan do not get along. Oakley told the "New York Daily News" he didn't say anything and was asked to leave because of his poor relationship with Dolan. Oakley was on the Knicks for 10 seasons, including their highly-successful run through the majority of the 90s