- July 28, 2009
Traded Tyson Chandler to the Charlotte Bobcats for Emeka Okafor.
- July 29, 2009
Signed Ike Diogu as a free agent.
- August 12, 2009
Traded Rasual Butler and cash to the Los Angeles Clippers for a 2016 2nd round draft pick. (top-55 protected, did not convey)
- September 9, 2009
Traded Antonio Daniels to the Minnesota Timberwolves for Bobby Brown and Darius Songaila.
- November 12, 2009
Fired Byron Scott as Head Coach.
- January 11, 2010
Traded Hilton Armstrong to the Sacramento Kings for cash and a 2016 2nd round draft pick. (top-55 protected, did not convey)
- January 25, 2010
Traded Devin Brown to the Chicago Bulls for Aaron Gray.
- January 26, 2010
Traded Bobby Brown to the Los Angeles Clippers for a 2014 2nd round draft pick (Jordan McRae was later selected).
- February 5, 2010
Signed Jason Hart to a 10-day contract.
- June 24, 2010
Drafted Cole Aldrich in the 1st round (11th pick) of the 2010 NBA Draft.
Traded Cole Aldrich and Morris Peterson to the Oklahoma City Thunder for Craig Brackins and Quincy Pondexter.