Being an NBA coach is easily one of the toughest jobs in professional sports. Word to Mike D'Antoni. There's the handling of egos, dealing with the media, and the importance of that little thing called winning. Pat Riley will always be remembered as one of the best to ever stand on the sidelines because of his ability to do the aforementioned. The former coach of the Showtime Lakers dynasty, early '90s Knicks, and the Miami Heat (ya know, before they became the most hated team in the L) turns 67 today. Riley's ability to manage teams and games like a boss all while looking the part makes him one of the most badass coaches in league history. So, as a birthday salute to Riley, check out our list of the 10 Coolest Coaches in NBA History.