Marsha Cox (nee Marescia) has played more than 300 times for South Africa, including three Olympic Games, three Commonwealth Games and two Hockey World Cups. She made her debut in 2001 and was part of the squad that finished ninth in the Athens Olympics of 2004. Marsha is captain of her national side.

Hockey is in her genes; her mother, the coach and former player Marian Marescia was recognised as the "best hockey player never to have played for South Africa", due to apartheid. On the pitch, Marsha is a midfielder, known for the precision of her passes and the energy and vision she brings to the game.