In a move that send shockwaves throughout the NBA, Pat Riley stepped down as head coach of the Miami Heat.

"This team needs a new voice. It needs a new energy. It needs a new philosophy," Pat Riley said in a stunning announcement at AmericanAirlines Arena, the building made possible by his arrival on the South Florida sports scene in 1995. "It's time for a change on the court."

Assistant coach Stan Van Gundy will take over as head coach.