In his 14-year National Basketball Association (NBA) career, he played for the Miami Heat, New Orleans Hornets, Los Angeles Clippers, Chicago Bulls, Toronto Raptors, Indiana Pacers, Washington Wizards and San Antonio Spurs.

On January 31, 2018, Butler was behind the wheel when he and his girlfriend, Leah LaBelle, died in a single vehicle car crash in Los Angeles.

The four-team trade involved the Memphis Grizzlies, Miami Heat, Boston Celtics, and Utah Jazz, and featured 13 players, most notably Eddie Jones, Antoine Walker, Jason Williams and James Posey.

[4] During the 2007–08 regular season, Butler averaged 17 minutes of action, 4.9 points and 2 rebounds per game while coming mostly from the bench.

[5] On August 12, 2009, the Los Angeles Clippers acquired Butler by trading a conditional 2016 second round draft pick.

[17] After an impressive preseason and a fractured wrist suffered by Bradley Beal, Butler made the final team prior to the start of the 2014–15 season.

[20] On September 26, 2016, Butler signed with the Minnesota Timberwolves,[21] but was waived on October 22 after appearing in five preseason games.

[28] On January 31, 2018, Butler and his partner (initially misidentified as his wife),[29] singer Leah LaBelle, were killed instantly in a high-speed car accident in the Studio City neighborhood of Los Angeles, California, after he lost control of his Range Rover on Ventura Boulevard and crashed violently into a strip mall parking lot.

[30] Autopsy reports showed traces of methamphetamine, oxycodone and marijuana in Butler's body, and a blood alcohol content of 0.118%.