June 1, 2004: Called for flagrant foul for taking a shot at Richard Hamilton's masked face during Game 6 of the Eastern Conference Finals. The Pistons eliminated the Pacers shortly after.
Nov. 9-10, 2004: Benched for two games after he asked for time off to promote the release of his rap album.
Nov. 19, 2004: Artest is at the center of a brawl with Detroit Pistons fans. He received a 73-game suspension for going into the stands and throwing punches at fans. Artest and teammate Stephen Jackson were sentenced to one year of probation and 60 hours of community service after pleading no contest.
2005-06 season: Requests trade from Pacers and is put on team's inactive roster. He is eventually traded to theSacramento Kings.
July 2009: Artest signs with Lakers, chosing the number 37, which he said was in honor of Michael Jackson's Thriller album, which spent 37 weeks at the No. 1 spot on the charts. (He switched back to No. 15 for the 2010-11 season)
December 2009: In an interview with the Sporting News, Artest admits to drinking cognac in the locker room at halftime when he was playing with the Bulls.
December 2010: Artest raffles off his Los Angeles Lakers championship ring to boost mental health awareness.
April 26, 2011: Wins the NBA's J. Walter Kennedy Citizenship Award, given to someone who shows “outstanding service and dedication to the community.”
Sept. 16, 2011: Changes name to Metta World Peace. The word “metta” refers to the Buddhist virtue of kindness.
April 22, 2012: Elbows the Thunder's James Harden in the head while celebrating a dunk, receiving a flagrant foul 2 and getting ejected.
Sources: ESPN.com and The Associated Press