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

• August 22, 1979

  Signed Art Collins as a free agent.

• September 24, 1979

  Waived Art Collins.

• October 2, 1979

  Traded Jim Boylan, John Gianelli and Bernard King to the Utah Jazz for Rich Kelley.

• October 12, 1979

  Traded a 1980 2nd round draft pick (John Stroud was later selected) to the Houston Rockets for Mike Newlin.

• November 13, 1979

  Signed Robert Smith as a free agent.

  Waived Ralph Simpson.

• February 4, 1980

  Traded John Williamson and a 1981 2nd round draft pick (Steve Lingenfelter was later selected) to the Washington Bullets for Roger Phegley.

• February 8, 1980

  Traded Calvin Natt to the Portland Trail Blazers for Maurice Lucas, a 1980 1st round draft pick (Mike Gminski was later selected) and a 1981 1st round draft pick (Albert King was later selected).

• February 15, 1980

  Traded Rich Kelley to the Phoenix Suns for a 1982 1st round draft pick (Brook Steppe was later selected) and a 1983 2nd round draft pick (Pace Mannion was later selected).

• May 28, 1980

  Lost Winford Boynes to the Dallas Mavericks in the NBA expansion draft.

• June 4, 1980

  Signed Edgar Jones as a free agent.

• June 10, 1980

  Drafted Mike O'Koren in the 1st round (6th pick) of the 1980 NBA Draft.

  Drafted Mike Gminski in the 1st round (7th pick) of the 1980 NBA Draft.

  Drafted Lowes Moore in the 3rd round (52nd pick) of the 1980 NBA Draft.

  Drafted Rory Sparrow in the 4th round (75th pick) of the 1980 NBA Draft.

  Drafted Aaron Curry in the 5th round (98th pick) of the 1980 NBA Draft.

  Drafted Rick Mattick in the 6th round (121st pick) of the 1980 NBA Draft.

  Drafted Larry Spicer in the 7th round (144th pick) of the 1980 NBA Draft.

  Drafted Lloyd Terry in the 8th round (165th pick) of the 1980 NBA Draft.

  Drafted Barry Young in the 9th round (185th pick) of the 1980 NBA Draft.