It depends
The Red Sox are in the American League East.
The Boston Red Sox joined the American League in 1912.
The Red Sox had their first game in the American League in 1908.
American League
The first African-American player to play for the Boston Red Sox was Elijah "Pumpsie" Green. Green had his Red Sox debut on July 21st, 1959.
American League.
The Red Sox were a charter team of the American League when it was founded in 1901.
The first African American to play for the Red Sox was second baseman Pumpsie Green on July 21, 1959.
The Boston Red Sox won 12 American League Pennants.
1901. The first year of operation of the American League was 1901. But at that time, they were not called the Red Sox. They were just called the Boston Americans.
The Red Sox entered the American League as one of the eight original teams in 1901. They were known as the Americansbetween 1901-1907. The nickname was changed to Red Sox for the 1908 season.
yes