The 2009–10 Dallas Mavericks season was the 30th season of the franchise in the National Basketball Association (NBA).
June 25 – The 2009 NBA draft took place in New York City.July 8 – The free agency period started.^ a: Nick Calathes was born in the United States, but also has Greek citizenship through his parents, and competes internationally for Greece.
*Stats after being traded to the Mavericks.
†Stats before being traded from the Mavericks.
Dirk Nowitzki was voted to his 9th NBA All-Star Game and started in place of Kobe Bryant due to injury.Jason Kidd was selected to his 10th NBA All-Star Game as a replacement for Kobe Bryant due to injury.Dirk Nowitzki was named Western Conference Player of the Week for games played from November 9 through November 15.Dirk Nowitzki was named Western Conference Player of the Week for games played from February 22 through February 28.Dirk Nowitzki was named Western Conference Player of the Week for games played from March 1 through March 7.Dirk Nowitzki was named Western Conference Player of the Week for games played from April 5 through April 11.On January 24, the Mavericks recorded their largest margin of victory in franchise history after defeating the New York Knicks 128-78, a 50-point margin. This was the third largest margin of victory in NBA history and the worst loss in Knicks history.On January 13, Dirk Nowitzki became the 4th foreign-born and 1st European-born player in NBA history to score 20,000 points in his career.Injuries
On Tuesday, July 28 Dallas signed free agent forward Tim Thomas
On Thursday July 30 Dallas signed forward Drew Gooden.
9-15-09: Released, Greg Buckner (G)
10-23-09: Waived, Jake Voskuhl (C)
