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.
Brian Levine Brian Levine (born 20 August 1958 in Cape Town, South Africa), is a former South African tennis player who played professional tennis from 1982 through to 1988. In his career, Brian played in 24 Grand Slams (French Open, Wimbledon, US Open & Australian Open). Brian's first major grand slam was Wimbledon in 1983 where he qualified for the doubles with a young 18-year-old called Stefan Edberg. Brian competed in over 200 tournaments worldwide on the ATP Tour.