[...] the Warriors reserve, settling into a familiar groove, took a giant step back to the sideline. A 6-foot-3, 175-pound shooting guard with average athleticism, Clark recognizes that his NBA longevity depends on his three-point accuracy. Clark takes comfort knowing that, while a lengthy NBA career is far from secured, he is in the most stable position of his professional life. Three months after signing a guaranteed one-year deal for roughly $1 million, the former undrafted free agent is in line for a regular rotation spot. Though rookie Patrick McCaw has impressed early, Clark has done nothing to shed his front-runner status. "It was good for me to be able to, in that moment, make those shots," said Clark, who hit two late threes that sparked Golden State's game-winning rally. Everybody says it's just preseason, but people don't really know how much that helps a player's confidence. With Stephen Curry out with a sprained right MCL, Clark helped power a 17-point comeback before Rockets guard James Harden hit the game-winner. Kerr said the two-time NBA MVP, who is averaging 11.7 points, 4.3 assists and 2.3 rebounds in the preseason, has "actually been under the weather the past...