Historical NBA Transactions on May 21

Transactions listed are from the 1946-47 through 2012-13 BAA/NBA seasons.
Click on the Team for team roster and stats.
Click on the Player for career stats and accomplishments.

May 21, 1991

The San Antonio Spurs waived Dave Greenwood.

May 21, 1980

The Seattle SuperSonics traded Paul Silas (coach) to the San Diego Clippers for a 1985 2nd round draft pick (Calvin Duncan).

May 21, 1950

The Chicago Stags sold Frankie Brian to the Tri-Cities Blackhawks.