橄榄球 Rugby ; Rugger ; american football

美国橄榄球联合会 American Football Conference

橄榄球类运动 rugby ; ragbi ; rugby football

国家橄榄球联合会 national football conference

国家橄榄球联盟 National Football League ; NFL

联盟式橄榄球 rugby league ; Rugby League Football

美国橄榄球联盟 NFL ; AFL ; USFL ; national football league

七人制橄榄球 rugby sevens

怒火橄榄球 Blood Bowl ; Blood Bowl - Third Edition

联合式橄榄球 rugby union