Oklahoma City took care of business in Game 1, and its performance without its star was perhaps the most impressive piece. On Tuesday night, the Thunder won the first game of the second round with a 108-90 victory over the Los Angeles Lakers. As the series progresses, there will surely be plenty of storylines to follow, and there may not be many as interesting as how the Thunder perform without their MVP. In 35 minutes of action, Shai Gilgeous-Alexander tallied 18 points, six assists and seven turnovers in what was likely his worst game of the entire season. Still, the Thunder managed to outscore the Lakers by nine when he was on the floor. In years past, a more pedestrian performance by Gilgeous-Alexander, coupled with the absence of Jalen Williams, could have hurt the Thunder’s chances of winning significantly. However, the Thunder were just fine when he went to the bench and sat to begin the second and fourth quarters.…