In 1983 Rees scored his 100th try for London Welsh against London Scottish, drawing a standing ovation. Rees was made captain of London Welsh for the club's 1984-85 centenary season.
In 1983 Rees accomplished his 100th test for London Welsh against London Scottish, garnering widespread acclaim. Rees was then appointed captain of London Welsh for their 1984-85 centenary campaign.