SAN FRANCISCO – The Warriors have for the most part played much better defense in recent weeks, digging out of the NBA basement in that area. They reverted to those leaky times Saturday night at Chase Center and were victimized, 111-104, by the diminished and reeling Detroit Pistons. Though the Warriors (9-28) were close in rebounding and their ball movement generally was good, they allowed a Pistons (13-23) team missing three starters – including All-Star forward Blake Griffin – to shoot 51.8 percent from the field and take their second win in the last 10 games.