The Seattle Pilots.
The Brewers entered the American League as an expansion team in 1969 as the Seattle Pilots.
American League East was created in 1969.
American League West was created in 1969.
1969 American League Championship Series - 1969 Game 1 was released on: USA: 4 October 1969
1969 American League Championship Series - 1969 Game 2 was released on: USA: 5 October 1969
The Seattle Pilots only played one year, 1969, and then became the Milwaukee Brewers. In 1982 the Brewers won the American League Pennant but the team never won the World Series.
Yes there was an American Football league that operated from 1960 until 1969.
The Seattle Pilots were an expansion team in the American League whose first season was 1969. The following season the team moved to Milwaukee and became the Brewers. The team has played in Milwaukee ever since.
The Mariners entered the American League in 1977, the same year as the Toronto Blue Jays.
Both the National League and American League split into two divisions in 1969. Prior to 1969, there were 10 teams in each league. In 1969, each league expanded to 12 teams (San Diego and Montreal (now Washington) were added to the NL, Toronto and Seattle (now Milwaukee) were added to the AL) and each league was split into 2 six team divisions.
Dick Bates debuted on April 27, 1969, playing for the Seattle Pilots at Sicks Stadium; he played his final game on April 27, 1969, playing for the Seattle Pilots at Sicks Stadium.
Miguel Fuentes debuted on September 1, 1969, playing for the Seattle Pilots at Sicks Stadium; he played his final game on October 2, 1969, playing for the Seattle Pilots at Sicks Stadium.