University of Colorado's defensive line, led by Chidozie Nwankwo, aims to improve run-stopping skills under Warren Sapp's guidance.

400-char summary: University of Colorado's revamped defensive line, including senior DL Chidozie Nwankwo, aims to improve run-stopping skills under Hall of Famer Warren Sapp's guidance. Nwankwo, who transferred from another university, is one of the key players in a retooled defensive line, as they aim to improve from last year's 110th national ranking in stopping the run.