The Cavaliers and Raptors have no plans to push the NBA to investigate the circumstances that led LeBron James and Chris Bosh to join Dwyane Wade in Miami, according to sources.

NBA commissioner David Stern said Sunday that the league would investigate the Heat's signings of James and Bosh if Cleveland or Toronto made a request.

"Whenever a team lodges a tampering charge, it is investigated," Stern told ESPN.com.