Question: Which sport did both Sandy Mayer and Patty Fendick play?

Context paragraphs:
Patty Fendick: Patty Fendick (born March 31, 1965) is a former professional women's tennis player and is the former women's tennis program head coach at University of Texas.

1995 IGA Classic – Doubles: Patty Fendick and Meredith McGrath were the defending champions but only Fendick competed that year with Lisa Raymond.

Sandy Mayer: Alexander "Sandy" Mayer (born April 5, 1952) is a former tennis player from the United States, who won ten titles in singles and twenty-four titles in doubles during his professional career.  He was part of the winning tennis squad at Stanford University in 1973.

1991 Australian Open – Women's Doubles: Patty Fendick and Mary Joe Fernández won their first career Grand Slam title, defeating Gigi Fernández and Jana Novotná 7–6, 6–1 in the final.

1987 Wimbledon Championships – Mixed Doubles: Kathy Jordan and Ken Flach were the defending champions but lost in the quarterfinals to Patty Fendick and Andy Kohlberg.

1994 Australian Open – Women's Doubles: The Women's Doubles competition at the 1994 Australian Open was held between 17 January and 30 January 1994 on outdoor hard courts at the National Tennis Centre at Flinders Park in Melbourne, Australia.  Gigi Fernández and Natasha Zvereva won the title, defeating Patty Fendick and Meredith McGrath in the final.

1988 Fernleaf Classic – Doubles: Patty Fendick and Jill Hetherington won in the final 6–3, 6–3 against Belinda Cordwell and Julie Richardson.

1994 IGA Classic – Doubles: Patty Fendick and Zina Garrison-Jackson were the defending champions but they competed with different partners that year, Fendick with Meredith McGrath and Garrison-Jackson with Lori McNeil.

1988 Nutri-Metics Open: The 1988 Nutri-Metics Open was a women's tennis tournament played on outdoor hard courts at the ASB Tennis Centre in Auckland in New Zealand and was part of the Category 1 tier of the 1988 Virginia Slims World Championship Series.  It was the third edition of the tournament and ran from 25 January until 31 January 1988.  Patty Fendick won the singles title.

1995 Peters International – Women's Doubles: Patty Fendick and Meredith McGrath were the defending champions but they competed with different partners that year, Fendick with Mary Joe Fernández and McGrath with Rennae Stubbs.

Supporting paragraphs: Sandy Mayer Patty Fendick
Answer: tennis