Transactions listed are from July 1, 1989 to
June 30, 1990.
- July 5, 1989
Signed Anthony Jones as a free agent.
- September 22, 1989
- October 3, 1989
Signed John Long as an unrestricted free agent.
- October 5, 1989
Signed Steve Alford as an unrestricted free agent.
- October 26, 1989
- October 31, 1989
Waived John Long.
- November 29, 1989
Fired John MacLeod as Head Coach.
Hired Richie Adubato as Head Coach.
- January 6, 1990
Signed Kelvin Upshaw to the first of two 10-day contracts.
- February 12, 1990
Signed Bob McCann to the first of two 10-day contracts.
- March 5, 1990
Signed Bob McCann to a contract for the rest of the season.
- April 2, 1990
Waived Adrian Dantley.
- April 9, 1990
Signed Mark Wade to a 10-day contract.
- April 17, 1990
Released Mark Wade.
- June 21, 1990
- June 26, 1990
Traded Bill Wennington, a 1990 1st round draft pick (Duane Causwell was later selected) and a 1990 1st round draft pick (Travis Mays was later selected) to the Sacramento Kings for Rodney McCray, a 1990 2nd round draft pick (Phil Henderson was later selected) and a 1991 2nd round draft pick (Mike Iuzzolino was later selected).
- June 27, 1990
Drafted Phil Henderson in the 2nd round (49th pick) of the 1990 NBA Draft.