Watch: Lions v Cardiff in the URC
Cardiff are at South African side Lions in the United Rugby Championship, live on S4C via iPlayer
BBC Sport
The Detroit Lions are a professional American football team based in Detroit. The Lions compete in the National Football League (NFL) as a member of the National Football Conference (NFC) North Division. The team plays their home games at Ford Field in Downtown Detroit.
Cardiff are at South African side Lions in the United Rugby Championship, live on S4C via iPlayer