Are  Marcelo Melo and Gisela Dulko both tennis players?
Marcelo Melo: Marcelo Pinheiro Davi de Melo (born September 23, 1983) is a Brazilian tennis player. Gisela Dulko: Gisela Dulko (] ; born 30 January 1985, in Tigre) is a retired professional tennis player from Argentina.
yes