University of Wisconsin athletic director Barry Alvarez had not given much thought to his alma mater, Nebraska, being an expansion candidate for the Big Ten prior to commissioner Jim Delany bringing up the topic during an informal discussion in January. “Itâ??s funny because it really hadnâ??t crossed my mind until Jim and I talked about it after the Rose Bowl,” said Alvarez, who was in Pasadena, Calif., to be inducted into the Rose Bowl Hall of Fame. “He asked me a lot of questions about Nebraska and whether I thought the school would be a fit.