01:25American Football2012/13San Francisco 49ers at Chicago BearsBBC Sport Duration: 3 hours Tue 20th Nov 2012, 01:25 on Red Button (Freeview)The San Francisco 49ers and the Chicago Bears face off in a physical contest for NFC supremacy.GenresSportAmerican FootballBrandAmerican FootballSeriesAmerican Football: 2012/13 Source: BBC Online
