ASUBig 12 ushers in new era at Conference Media Day in Las VegasColorado football coach Deion Sanders chats with the media at the Big 12 Conference's Media Day on July 10, 2024.Michelle Gardner/The RepublicArizona Wildcats football players (left to right) Tetairoa McMillan, Gunner Maldanado, Coach Brent Brennan, Jacob Manu and Noah Fifita at the Big 12 Conference's Media Day on July 10, 2024.Michelle Gardner/The RepublicThe Big 12 school's logos on display at the Big 12 Conference's Media Day on July 10, 2024.Michelle Gardner/The RepublicBig 12 mascots line up for a photo at the 2024 Big 12 Conference Media Day.Michelle Gardner/The RepublicMascots gather for a photo at the Big 12 Conference's media day at Allegiant Stadium in Las Vegas on July 9, 2024.Michelle Gardner/The RepublicArizona State football players talk to the media during the Big 12 Conference's media day at Allegiant Stadium in Las Vegas on July 9, 2024.Michelle Gardner/The RepublicArizona State football coach Kenny Dillingham at the Big 12 Conference's media day at Allegiant Stadium in Las Vegas on July 9, 2024.Michelle Gardner/The RepublicScenes from the Big 12 Conference's media day at Allegiant Stadium in Las Vegas on July 9, 2024.Michelle Gardner/The RepublicScenes from the Big 12 Conference's media day at Allegiant Stadium in Las Vegas on July 9, 2024.Michelle Gardner/The RepublicA welcome sign at the Big 12 Conference's media day at Allegiant Stadium in Las Vegas on July 9, 2024.Michelle Gardner/The Republic