By Doug Samuels Keep track of how Nathaniel Hackett is assembling his first Broncos staff via this page. Vic Fangio was fired after three seasons and a 19-30 record overall in Denver. He led the Broncos to a 7-10 mark last fall. View the original article to see embedded media. The Broncos put in at least a dozen interview requests, and had second round interviews with Dan Quinn, Kevin O’Connell and Nathaniel Hackett. Hackett, the Packers offensive coordinator, ultimately earned the nod to lead the franchise. Here, on the Broncos Staff Tracker page, we will keep track of how he’s assembling his…