The National Association of Professional Base Ball Players (NAPBBP), often known simply as the National Association (NA), was the first fully-professional...

The National Association of Base Ball Players (NABBP) was the first organization governing American baseball (spelled as two words in the 19th century)...

The Players' National League of Professional Base Ball Clubs, popularly known as the Players' League (PL), was a short-lived but star-studded professional...

below). The National Association of Professional Base Ball Players (1871–1875) did not schedule games, nor did it control the number of teams, a major...

percentage is calculable for professional teams dating back to the first year of National Association of Professional Base Ball Players competition in 1871, because...

results from a team's playing time in the National Association of Professional Base Ball Players or while members of any minor league. The New York Yankees...

member of the National Association of Base Ball Players. It was a charter member of both the first professional league in 1871 and the National League...

The International Association for Professional Base Ball Players, commonly known as the International Association, was the name for two separate Canadian-American...

Athletics turned professional in the late 1860s and helped establish the first league, National Association of Professional Base Ball Players (NA), which began...

(disambiguation) National Association of Professional Base Ball Players, the first professional baseball league Nepali Army, the land military force of Nepal Neurotics...