Transactions listed are from July 1, 1979 to June 30, 1980

• Unknown Date

  Signed Jim Brogan as a free agent.

• September 7, 1979

  Signed John Coughran as a free agent.

• October 4, 1979

  Waived Jerry Sichting.

• December 4, 1979

  Waived John Coughran.

  Waived Bubba Wilson.

• December 5, 1979

  Signed Darnell Hillman as a free agent.

• December 15, 1979

  Signed John Coughran as a free agent.

• January 3, 1980

  Waived John Coughran.

• March 25, 1980

  Released Cheese Johnson.

• May 28, 1980

  Lost Raymond Townsend to the Dallas Mavericks in the NBA expansion draft.

• June 9, 1980

  Traded Robert Parish and a 1980 1st round draft pick (Kevin McHale was later selected) to the Boston Celtics for a 1980 1st round draft pick (Rickey Brown was later selected) and a 1980 1st round draft pick (Joe Barry Carroll was later selected).

• June 10, 1980

  Drafted Joe Barry Carroll in the 1st round (1st pick) of the 1980 NBA Draft.

  Drafted Rickey Brown in the 1st round (13th pick) of the 1980 NBA Draft.

  Drafted Larry Smith in the 2nd round (24th pick) of the 1980 NBA Draft.

  Drafted Jeff Ruland in the 2nd round (25th pick) of the 1980 NBA Draft.

  Drafted John Virgil in the 3rd round (49th pick) of the 1980 NBA Draft.

  Drafted Robert Scott in the 4th round (71st pick) of the 1980 NBA Draft.

  Drafted Don Carfino in the 5th round (95th pick) of the 1980 NBA Draft.

  Drafted Neil Bresnahan in the 6th round (117th pick) of the 1980 NBA Draft.

  Drafted Lorenzo Romar in the 7th round (141st pick) of the 1980 NBA Draft.

  Drafted Kurt Kanaskie in the 8th round (162nd pick) of the 1980 NBA Draft.

  Drafted Billy Reid in the 9th round (182nd pick) of the 1980 NBA Draft.

  Drafted Tim Higgins in the 10th round (200th pick) of the 1980 NBA Draft.

  Traded Jeff Ruland to the Washington Bullets for a 1981 2nd round draft pick (Sam Williams was later selected).