A University of Arizona benefactor has come up with a retention plan that could help keep men's basketball coach Sean Miller, football coach Rich Rodriguez and vice president and director of athletics Greg Byrne in Tucson for the next eight years. Arizona also has agreed to contract extensions for Miller, Rodriguez and Byrne. Under conditions of the proposed deals, all three would be under contract through May 31, 2019. The Arizona Board of Regents will vote on the extensions June 6. Details: — Miller's current deal expires April 30, 2018. Under terms of the new agreement, the basketball coach's annual base salary would increase $100,000 to $1.6 million on June 1, 2018.