It’s not officially SEC Media Days until Alabama’s head football coach takes the stage in the main ballroom. For the first time since 2006, that man with the Alabama helmet behind him on the video board was not Nick Saban. Alabama Nacho was still here, and throngs of media who cover the Crimson Tide still made the trek to Dallas, but a new coach was discussing Alabama football. While Saban watched from the SEC Network stage in the back of the room, Kalen DeBoer addressed the media at this tentpole event for the first time. The former Fresno State and Washington head coach again passed another …