The music celebrity's move during the playoff game generated comparisons to Drake.
The Denver Nuggets star, ejected after his blindside hit, said he felt bad because Morris' "head snapped back."
The Los Angeles Lakers star won two NBA titles with the Heat.
Leonard will also be required by the league to participate in a cultural diversity program.
The player claimed he didn't know the well-known term was offensive to Jews.
The Miami Heat and Boston Celtics briefly left the court for a players-only meeting before their game.
The Los Angeles Lakers defeated the Miami Heat in six games to secure their first NBA title since 2010. It's LeBron James' fourth NBA championship, and the third franchise he has led to a title.
The 12-year-old walked her first red carpet alongside the NBA star and Gabrielle Union.
The now-retired Miami Heat star and the barefoot coaching great wore "Aladdin"-like costumes.
The NBA legend stunned students when he was introduced as the guest speaker at the ceremony.