On October 28, 2009 Johnson was suspended by the Chiefs for two weeks because of his use of a homophobic slur and his criticism of his head coach, Todd Haley, via his Twitter account. Because of a bye week, Johnson will only miss one game.http://profootballtalk.nbcsports.com/2009/10/28/chiefs-suspend-larry-johnson-two-weeks/

On November 9, 2009, the Chiefs released Johnson, just a day before he was due to return from his suspension. Johnson was only 75 yards away from breaking Priest Holmes' team rushing record.http://www.latimes.com/sports/la-sp-nfl-report10-2009nov10,0,3018082.story

On October 27, 2008, Johnson was charged with simple assault for spitting his drink in the face of a female. Johnson posted a $500 bond and was released. The maximum penalty for the charge is $500 and 180 days in jail. As of November 10, the woman who made the accusations toward Johnson has filed suit against him.ESPN.com: Chiefs RB Johnson charged with simple assault for spittingESPN.com: Woman files suit against Chiefs' Johnson accusing him of assault, battery (November 10, 2008)

He was suspended by the NFL for Week 10 of the 2008 season for violating the league's personal conduct policy following the assault charges.ESPN.com: Chiefs running back will sit out Week 10

On March 27, 2009, Johnson accepted a plea deal for two assault charges from an October 2008 night club arrest. He pleaded guilty to disturbing the peace and was sentenced to two years probation. Should Johnson complete the probation without further issues, the guilty plea can be removed from his record.Kansas City Star: Chiefs Running Back Pleads Guilty in Night Club Incidents