FILE - In this Nov. 25, 2015, file photo, Wisconsin coach Bo Ryan looks to an official during during his team's NCAA college basketball game against Prairie View A&M in Madison, Wis. Wisconsin won 85-67. Ryan has announced his retirement. The school sent out a release after the Badgers' 64-49 victory over Texas A&M-Corpus Christi on Tuesday night, Dec. 15. Assistant Greg Gard takes over as interim coach. (AP Photo/Andy Manis, File)