The National Association in 1871 was comprised of nine teams: the Philadelphia Athletics, Chicago White Stockings, Boston Red Stockings, Washington Olympics, New York Mutuals, Troy Haymakers, Fort Wayne Kekiongas, Cleveland Forest Citys,and Rockford Forest Citys.
Cleveland Forest Cities and Ft. Wayne Kekiongas on May 4, 1871
30 teams
30 teams
There are currently 30 teams.
32
It's not a meaningful question - many of the players who played in 1871 (the first year of the National Association) had been signed to their teams for a few years before the NA was formed.
not many
The first professional baseball team was founded in 1869 - The Cincinnati Red Stockings. The two current MLB teams that can trace their roots the longest are the Atlanta Braves and the Chicago Cubs. They can trace their roots to the National Association founded in 1871.
Eight teams.
10
30 in MLB.
30