In previous offseasons, rival agents and players would tell you of Kevin Durant’s eagerness in talking to potential free agents. So far, that hasn’t been the case with him, sources say. Outside of Irving, the Nets’ most important free agent is guard Patty Mills, who still hasn’t decided on whether to exercise his $7.2 million player option. Around the Irving drama, the Nets’ environment has made it harder to keep and court role players, sources say.