Eastern League (Japanese baseball) Eastern League (Japanese baseball) The is one of the two minor leagues ("ni-gun") of Japanese professional baseball. The league is owned and managed by the Central League of Nippon Professional Baseball (NPB). Teams in the Eastern League generally play an 80-game schedule every year. In 1954 the six teams of NPB's Central League agreed to form their own minor league — the Shin Nippon League (or "New Japan League") — as a complement to the already extant Kansai Farm League, which had begun play in 1952. The minor league affiliates of the Chunichi Dragons and Hanshin Tigers moved over from
National Tennis League National Tennis League National Tennis Leagues (NTL) was a tour for professional male tennis players established in 1967 by George MacCall. In 1970 it was sold to the World Championship Tennis (WCT), a competing professional tennis league run by Lamar Hunt. The National Tennis League (NTL) was formed by former U.S. Davis Cup captain George MacCall in 1967, as a governing body to a US Professional tennis tour. It was key in moving tennis from a mostly amateur sport to a professional sport. In 1968 Billie Jean King became the first woman of the Open Era to sign a pro