Were Menno Oosting and Liezel Huber both professional tennis players?
Menno Oosting: Menno Oosting (17 May 1964 – 22 February 1999) was a professional tennis player from the Netherlands, who won seven ATP Tour doubles titles out of 18 finals in his career. Liezel Huber: Liezel Huber (née Horn; born 21 August 1976) is a South African-American retired tennis player who represents the United States internationally.
i don't know