The Wests Tigers are an Australian professional rugby league football team, based in the Inner West and South West Sydney. They have competed in the National Rugby League since being formed at the end of the 1999 NRL season as a joint-venture club between the Balmain Tigers and the Western Suburbs Magpies. The Tigers started playing in the 2000 NRL season and they won their maiden premiership in 2005. It is one of only two clubs (the other being the Newcastle Knights) that has never lost a Grand Final in which it has participated. The club also won the World Sevens in 2004. The Wests Tigers play home games at three grounds: Leichhardt Oval, Campbelltown Stadium and Western Sydney Stadium in Parramatta as of 2019.