Cavaliers waive Rivera
Free agent Rivera averaged 2.7 points and 1.3 assists in three games for the Cavs. The 6-foot-2 Rivera averaged 13.5 points and 7.2 assists as a senior at Texas-El Paso.
Seattle SuperSonics: The Sonics requested waivers Thursday on rookie forward Roger Powell, bringing Seattle's roster to 17 players.
Powell played in two exhibition games, scoring 11 points. He did not play in Wednesday night's 99-93 win over the Los Angeles Clippers.
Powell was an honorable mention all-Big Ten Conference selection his junior and senior seasons at Illinois. The 6-foot-6 Powell averaged 12 points and 5.7 rebounds as a senior.
Copyright 2005 by The Associated Press