The Oklahoma City Thunder are an American professional basketball team based in Oklahoma City, Oklahoma. The Thunder competes in the National Basketball Association (NBA) as a member club of the league’s Western Conference Northwest Division. The team plays its home games at Chesapeake Energy Arena. The Thunder is the only team in the major professional North American sports leagues based in the state of Oklahoma.
In Oklahoma City, the OKC Thunder qualified for their first playoff berth during the 2009–10 season. They followed that success by winning their first division title as the Thunder in the 2010–11 season and their first Western Conference championship as the Thunder in the 2011–12 season, appearing in the NBA Finals for the fourth time in franchise history and first since 1996, when the club was based in Seattle. (Source: Oklahoma City Thunder Basketball Club )