Frederick Postal was the co-owner of the Washington Senators of the

American League The American League of Professional Baseball Clubs, known simply as the American League (AL), is one of two leagues that make up Major League Baseball (MLB) in the United States and Canada. It developed from the Western League, a minor league ...

with

Ban Johnson Byron Bancroft Johnson (January 5, 1864 – March 28, 1931) was an American executive in professional baseball who served as the founder and first president of the American League (AL). Johnson developed the AL—a descendant of the mino ...

from through . In 1903, Johnson and Postal sold the Senators to Thomas C. Noyes.

References

Minnesota Twins owners
Major League Baseball owners Washington Senators (1901–1960) owners Year of birth missing Year of death missing {{baseball-business-bio-stub