So many of the most iconic moments in sports are defined by mistakes, like Bill Buckner letting a ball go between his legs in the 1986 World Series. But we’ve come to expect that an athlete’s body may betray him, like Bucker or when Rory McIlroy shot a final-round 80 to blow a four-shot lead at the 2011 Masters. Mental errors—the kind that leave fans screaming “WHAT ARE YOU DOING?” at their televisions—are much more agonizing.
That’s why J.R. Smith’s all-time blunder in Game 1 of the NBA Finals makes you want to pull your hair out.