The Clippers are taking a cautious approach this preseason with a handful of veteran players, with head coach Tyronn Lue announcing on Thursday that Kawhi Leonard, Paul George, John Wall, and Reggie Jackson won’t play in the team’s preseason opener in Seattle on Friday (Twitter link via Andrew Greif of The Los Angeles Times). The Warriors are going the same route with Klay Thompson, holding him out of the club’s two preseason contests in Japan, tweets Anthony Slater of The Athletic. The Warriors‘ preseason opener on Friday showed the new simplified offensive role the team envisions for center James Wiseman,…