Transactions listed are from July 1, 1978 to
June 30, 1979.
- July 19, 1978
- July 24, 1978
- August 4, 1978
Traded Kevin Kunnert, Kermit Washington, Sidney Wicks and Freeman Williams to the San Diego Clippers for Tiny Archibald, Marvin Barnes, Billy Knight, a 1981 2nd round draft pick (Danny Ainge was later selected) and a 1983 2nd round draft pick (Rod Foster was later selected).
- August 8, 1978
Signed Joe Pace as a free agent.
- September 1, 1978
Signed Earl Williams as a free agent.
- September 8, 1978
- October 3, 1978
Waived Bob Bigelow.
- October 11, 1978
- October 19, 1978
- November 14, 1978
Fired Tom Sanders as Head Coach.
Hired Dave Cowens as Head Coach.
- January 15, 1979
Waived Earl Williams.
- January 16, 1979
- January 17, 1979
- January 19, 1979
Signed Tom Barker as a free agent.
Signed Frankie Sanders as a free agent.
- January 30, 1979
- February 7, 1979
Waived Marvin Barnes.
- February 9, 1979
- February 12, 1979
Traded Tom Barker, a 1979 1st round draft pick (Bill Cartwright was later selected), a 1979 1st round draft pick (Larry Demic was later selected) and a 1979 1st round draft pick (Sly Williams was later selected) to the New York Knicks for Bob McAdoo.
- April 8, 1979
Fired Dave Cowens as Head Coach.
- May 23, 1979
Hired Bill Fitch as Head Coach.
- June 25, 1979
Drafted Wayne Kreklow in the 3rd round (53rd pick) of the 1979 NBA Draft.
Drafted Ernesto Malcolm in the 3rd round (61st pick) of the 1979 NBA Draft.
Drafted Nick Galis in the 4th round (68th pick) of the 1979 NBA Draft.
Drafted Jimmy Allen in the 5th round (90th pick) of the 1979 NBA Draft.
Drafted Marvin Delph in the 6th round (110th pick) of the 1979 NBA Draft.
Drafted Steve Castellan in the 7th round (130th pick) of the 1979 NBA Draft.
Drafted Glenn Sudhop in the 8th round (149th pick) of the 1979 NBA Draft.
Drafted Kevin Sinnett in the 9th round (168th pick) of the 1979 NBA Draft.
Drafted Alton Byrd in the 10th round (186th pick) of the 1979 NBA Draft.
Signed Gerald Henderson as a free agent.
- June 27, 1979
Signed Eric Fernsten as a free agent.