FILE - In this Nov. 1, 2015, file photo, San Francisco 49ers running back Reggie Bush is taken off on a cart during the first quarter of an NFL football game against the St. Louis Rams in St. Louis. Bush is working out details of his potential case against the St. Louis Regional Convention and Sports Complex Authority after he suffered a season-ending knee injury on concrete at the Rams’ stadium last month. (AP Photo/Tom Gannam, File)