Brent Key joined the ACC for the first time when he was 17 years old, starting all four years at guard for Georgia Tech from 1997-2000. Back at his alma mater, the second-year Yellow Jacket head coach is proud to be back in the conference that he enjoyed success in over two decades ago. Key wants his team to have a similar experience that he had as a player, and eventually put that on a national stage. At ACC Media Days on Monday, Key spoke to the importance of the conference and how its influence shaped the values in life and in college football. He noted that seven head coaches across the le…