Are Sun Tiantian and Gene Mayer both tennis players?
Gene Mayer Gene Mayer (born April 11, 1956) is a former tennis player from the United States who won 14 singles titles during his career.
Yair Wertheimer Yair Wertheimer (Hebrew: יאיר ורטהיימר‎ ‎ , also known as Meir Wertheimer; born March 11, 1955) is an Israeli former tennis player.