By Andrew Holleran It’s been a big week for Jared Goff and his loved ones. This Sunday, Goff and the Detroit Lions are taking on the Dallas Cowboys at AT&T Stadium in Arlington, Texas. Goff didn’t have the biggest news of the week, though – his fiancee did. Sports Illustrated Swimsuit model Christen Harper was named the magazine’s co-Rookie of the Year, along with her good friend and fellow model, Katie Austin. “What an absolute insane honor to be named ROOKIE OF THE YEAR by @si_swimsuit along with my best friend @katieaustin 🤍 As a young girl I greatly looked up to the women that were honored…