The Nets signed head coach Jordi Fernández and his entire coaching staff to multiyear contract extensions on Monday. “Very grateful [for the job], myself and my family,” Fernández said last week. “And it’s very special. There’s only 30 jobs in the world, and having one, it’s more than special. “My goal is not just to keep it, but help the organization with the plan that we have and build success and sustain it. Good things are going to happen in the long run.” The announcement by the Nets gives