Erik Spoelstra is widely considered to be one of the best coaches in the NBA, if not the best, and now he has a record-breaking contract to go with his lofty status. According to Adrian Wojnarowski, the Miami Heat have signed Spoelstra to an eight-year extension worth more than $120 million, which, per ESPN, is not just the highest amount of money that has ever been committed to an NBA coach, but any North American coach of any sport. Gregg Popovich, who signed an $80 million extension with the San Antonio Spurs this past summer, makes the most per year with an average annual salary of $16M, but the length of this ... (full story)