219,000 registered players . The market for professional football in Romania is roughly €740 million according to UEFA. The governing body is the Romanian Football Federation, which belongs to UEFA. The Romania national football team played its first match in 1922 and is one of only four national teams to have taken part in the first three FIFA World Cups, the other three being Brazil, France, and Belgium. Overall, it has played in seven World Cups and had its most successful period during the 1990s, when it finished 6th at the 1994 FIFA World Cup, eventually being ranked 3rd by FIFA in 1997. The core player of this golden generation was Gheorghe Hagi, who was nicknamed "Maradona of the Carpathians". Other successful players include the European Golden Shoe winners: Dudu Georgescu, Dorin Mateuț and Rodion Cămătaru, Nicolae Dobrin, Ilie Balaci, Florea Dumitrache, Mihai Mocanu, Michael Klein, Mircea Rednic, Cornel Dinu, Mircea Lucescu, Costică Ștefănescu, Liță Dumitru, Lajos Sătmăreanu, Ștefan Sameș, Ladislau Bölöni, Anghel Iordănescu, Miodrag Belodedici, Helmuth Duckadam, Marius Lăcătuș, Victor Pițurcă and many others, and most recently Gheorghe Popescu, Florin Răducioiu, Dorinel Munteanu, Dan Petrescu, Adrian Mutu, Cristian Chivu, or Cosmin Contra. Romania's home ground is the Arena Națională in Bucharest. The most successful club is Steaua București, who were the first Eastern European team to win the UEFA Champions League in 1986, and were runners-up in 1989. They were also UEFA Cup semi-finalists in 2006. Dinamo București reached the UEFA Champions League semi-final in 1984 and the UEFA Cup Winners' Cup semi-final in 1990. Other important Romanian football clubs are Rapid București, UTA Arad, Universitatea Craiova, Petrolul Ploiești, CFR Cluj, Astra Giurgiu, and Viitorul Constanța (the latter having recently merged with FCV Farul Constanța). Tennis is the second most popular sport. Romania reached the Davis Cup finals three times in 1969, 1971 and 1972. In singles, Ilie Năstase was the first year-end World Number 1 in the ATP rankings in 1973, winning several Grand Slam titles. Also Virginia Ruzici won the French Open in 1978, and was runner-up in 1980, Simona Halep won the French Open in 2018 and Wimbledon in 2019 after losing her first three Grand Slam finals. She has ended 2017 and 2018 as WTA's World Number 1. And in doubles Horia Tecău won three Grand Slams and the ATP Finals final. He was World Number 2 in 2015. The second most popular team sport