The key rivalries at London 2012
Nothing adds to the excitement of the Olympic Games more than a showdown between athletes at the pinnacle of their sporting careers.
Key battles in the past include the clash between the USA and USSR basketball teams in 1972 and Carl Lewis versus Ben Johnson in 1988.
The BBC's Katya Adler reports on the must-see rivalries taking place at London 2012.
16 Jan 2013
- From the section UK