Yokohama DeNA BayStars

Taiyo Whales (first era)[]

1950–1952[]

While the team was founded in 1930, the team became professional and was named Taiyo Whales in 1950. Before that, the team was known as Taiyo Fishery Company, just like its parent company,

Taiyo Shochiku Robins[]

1953[]

In 1953, Shochiku Robins merged with Taiyo Whales to form the Taiyo Shochiku Whales. However, this name would last only one season.

Yosho Robins[]

1954[]

In 1954, the Taiyo Shochiku Wales became the Yosho Robins, and their logo was a combination of the Maruha logo (representing Taiyo) and of the Shochiku logo.

Taiyo Whales (second era)[]

1955–1956[]

1956–1957[]

1958–1973[]

1974–1977[]

Yokohama Taiyo Whales[]

1978–1992[]

In 1978, the Taiyo Whales added "Yokohama" to their name coinciding with their move from Kawasaki to Yokohama.

Yokohama BayStars[]

1993–2011[]

In 1993, the Yokohama Taiyo Whales originally intended to be renamed as Yokohama Whales, but they were renamed as Yokohama BayStars due to the whaling restrictions being enacted in Japan and some superstitious fans thinking that dead whales brought bad luck to the team, especially given that Maruha Corporation, previously known as Taiyo Fishery Company, was also known for its whale meat products. The team was intially meant to be named as Yokohama Bay Stars (as in "Yokohama Bay Bridge"), but the team was refered as BayStars.

In 2002, Maruha Corporation was sold to TBS Holdings