Veteran forward JaMychal Green had been on the Nuggets’ radar long before that first hectic night of free agency two weeks ago. And they were fans of his well before Green’s Clippers blew a 3-1 lead to Denver in the second round of last season’s playoffs. Green, who signed a 2-year, $15 million deal with the Nuggets less than two weeks ago, said he was “very close” to signing in Denver last offseason before he decided to return to Los Angeles. “I always kept that in the back of my mind so me and coach Malone, we always kept a relationship throughout the season,” Green said at his introductory news conference Tuesday.