On Jan. 4, roughly 90 minutes before a regular-season game against the Warriors at Oracle Arena, Trail Blazers head coach Terry Stotts took issue with an ad spot. A player who needed to beat out Ben Gordon and others for the Warriors' last roster spot in 2015 has shot 23-for-30 from the field against the Blazers this season. In four regular-season games against Portland, Clark averaged 13 points in 17.7 minutes. [...] in the Warriors' Game 1 win Sunday over the Blazers in the first round of the playoffs, Clark scored seven of his playoff-career-high 12 points in the Warriors' 15-2 run at the start of the fourth quarter. [...] after impressing in an expanded role when Durant missed 19 games with a left knee injury, Clark appears to have inched ahead of rookie Patrick McCaw on the depth chart. With Curry out with a sprained right MCL, Clark helped power a 17-point comeback before Rockets guard James Harden hit the game-winner. In the Western Conference Finals and NBA Finals, he only once topped the eight-minute mark. Unlike last season, when he stuck to spot-up jumpers for the most part, Clark started mixing in layups, scoop shots and floaters. Though his playing time fluctuated as...