What's surprising is the fact that it was not a player who cost the Heat this matchup. Instead, it was a grave mistake by head coach Erik Spoelstra in the dying seconds of the game.

Erik Spoelstra uncharacteristically called a timeout with none remaining which led to a loss in Miami's first NBA Cup game of the season.

Erik Spoelstra, who is widely known as one of the NBA's top coaches, shouldered blame for a brutal timeout infraction, calling it a "serious mental error" in the final seconds of a Miami Heat loss to the Detroit Pistons.