Are Danie Visser and Bob Bryan both professional tennis players?
Danie Visser Danie Visser (born 26 July 1961) is a former professional tennis player from South Africa. A doubles specialist, he won 3 Grand Slam men's doubles titles (2 Australian Open and 1 US Open). Visser reached the World No. 1 doubles ranking in January 1990.
Jürgen Fassbender Jürgen Fassbender (German: "Faßbender" , born 28 May 1948) is a retired professional tennis player for West Germany.