By Daniel Chavkin The Auburn head coach returned after an investigation into his program last season. View the original article to see embedded media. Bryan Harsin is set to begin his second season as the Auburn football head coach, having gone through an uncertain offseason. At one point, there were rumors that Auburn was going to move on from Harsin amid an investigation into the program, but the school ended up keeping Harsin for at least one more year. At the SEC Media Day, Harsin addressed the investigation and the impact it had on his team. “There was an inquiry. It was uncomfortable,” H…