Cavaliers waive Rivera

Cleveland Cavaliers: Rookie guard Filiberto Rivera was waived
Thursday by the Cavaliers.

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
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.