-
Professional sports began to take root in the United States
Mid 19th Century -
First National Association of Baseball Players
-
First Pro Baseball Team the Cincinnati Red Stockings
-
Brooklyn Dodgers (now LA Dodgers) became a professional team and have won seven world series and 24 NL pennants.
-
First professional football team, Pittsburgh Athletic Club
-
Major League Baseball expanded rapidly
Expanded to the college level -
Baseball was Firmly Established as Americas National Pastime
Early 20th Century -
The Yankees came to be in 1901
-
The American Professional Football Association was formed
-
The National Basketball Association was founded
-
Football began to take off as a professional sport
-
In the years after World War II, the NFL added a number of new teams and began to expand across the country
-
The Mets came around at the height of baseball’s popularity as a part of the first NL expansion
-
Professional hockey leagues were established, including the World Hockey Association and the National Hockey League
-
Hockey began to gain popularity
