Nuggets coach Michael Malone had a 6-foot-10 gripe he had to get off his chest. After rookie Michael Porter Jr. erupted for his second straight game of 30 points or more Wednesday, downing the Spurs for Denver’s second consecutive win, Malone aired a grievance that had evidently been brewing since the end of January. “The funny thing is, I thought about this today thinking about Michael Porter,” Malone said, his resolve building.