Question: Mary Carillo and Vitas Gerulaitis have what sport in common?
Context: The 1978 World Championship Tennis Finals was a men's tennis tournament played on indoor carpet courts.  It was the 8th edition of the WCT Finals and was part of the 1978 Colgate-Palmolive Grand Prix, as the World Championship Tennis and the Grand Prix circuits were now combined.  It was played at the Moody Coliseum in Dallas, Texas in the United States and was held from May 9 through May 14, 1978.  Third-seeded Vitas Gerulaitis won the title and $100,000 first-prize money. Adriano Panatta was the defending champion but lost to Vitas Gerulaitis in the quarterfinals.  Gerulaitis claimed the title after defeating Antonio Zugarelli in the final. The 1977 Italian Open was a combined men's and women's tennis tournament that was played by men on outdoor clay courts at the Foro Italico in Rome, Italy.  The men's tournament was part of the Colgate-Palmolive Grand Prix circuit while the women's tournament was part of the Colgate Series.  The tournament was held from 16 May through 22 May 1977.  The singles titles were won by eight-seeded Vitas Gerulaitis and fifth-seeded Janet Newberry who earned $21,000 and $6,000 first-prize money respectively.  Gerulaitis competed despite being contracted to play for the Indiana Loves World Team Tennis (WTT) franchise and was fined $19,000 for failing to play Björn Borg in the weekend of the final. The 1981 Pepsi Grand Slam was a men's tennis tournament played on outdoor clay courts in Boca Raton, Florida, USA The event was part of the 1981 Volvo Grand Prix circuit.  It was the sixth edition of the tournament and was held from February 14 through February 15, 1981.  Four–time winner and defending champion Björn Borg withdrew a day before the tournament began after coming down with the flu.  He was replaced by Vitas Gerulaitis.  John McEnroe won the singles title and $150,000 first prize money. Vytautas Kevin Gerulaitis (July 26, 1954 – September 17, 1994) was an American professional tennis player.  In 1975, Gerulaitis won the men's doubles title at Wimbledon, partnering with Sandy Mayer.  He won the men's singles title at one of the two Australian Open tournaments held in 1977 (Gerulaitis won the tournament that was held in December, while Roscoe Tanner won the earlier January tournament).  Gerulaitis also won two Italian Open titles, in 1977 and 1979, and the WCT Finals in Dallas, in 1978. Vitas Gerulaitis was the defending champion but lost in the semifinals to Björn Borg. The 1982 Donnay Indoor Championships was a men's tennis tournament played on indoor carpet courts in Brussels in Belgium the event was part of the 1982 Volvo Grand Prix.  The tournament was held from 8 March through 14 March 1982.  Third-seeded Vitas Gerulaitis won the singles title. The Ocean City Open is a defunct tennis tournament that was played on the Grand Prix tennis circuit in 1977.  The event was held in Ocean City, Maryland.  Vitas Gerulaitis won the singles title while Alex Metreveli and Bill Scanlon partnered to win the doubles title. Vitas Gerulaitis won in the final 6–4, 3–6, 6–3, 6–2 against Andrew Pattison. Mary Carillo (born March 15, 1957) is an American sportscaster and former professional tennis player.  She is a reporter for NBC Sports and NBC Olympics.
Answer: tennis