madison square garden sports corp. operates as a professional sports company. its portfolio of assets include the new york knickerbockers of the national basketball association (nba), and the new york rangers of the national hockey league; two development league teams, including the hartford wolf pack of the american hockey league, and the westchester knicks of the nba g league; knicks gaming, an esports franchise; and esports teams. the company also owns two professional sports team performance centers, including the madison square garden training center in greenburgh, new york, and the clg performance center in los angeles, california. madison square garden sports corp. was formerly known as the madison square garden company. the company was founded in 1879 and is based in new york, new york.