Spoelstra was assessed a technical foul, and Pistons guard Malik Beasley sank the ensuing free throw, giving Detroit a late lead the club would not relinquish. After the game, Spoelstra took accountability for the mistake that led to Detroit's victory.

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.

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.