OAKLAND, Calif. - Kevin Durant told ESPN that the biggest shot of his career, for a long time, was a shot he struggled to master. When the Golden State Warriors receive their championship rings this evening on opening night before taking on the Houston Rockets, they will do so in great part thanks to Durant's pivotal 3-pointer over LeBron James in Game 3 of the 2017 NBA Finals. "That shot was always one of the toughest shots for me, especially from that angle," he told ESPN. "I struggled with it. Your feet have to be placed a certain way, you have to be locked in. I would spend countless hours in the gym working on that shot to precision. When you truly love something, you want to be better at it. That's a shot I'm comfortable with now." The Warriors were up 2-0 in the series and facing a two-point deficit with under a minute to go on the road. A loss would have opened up the series. Durant pulled down a defensive board and dribbled up the length...