The first "professional" Baseball team, the Cincinnati Red Stockings, were formed in 1878, however, baseball "leagues" were in existence a few years earlier. A "professional" league, the National League was formed in 1876, and baseball records begin that year.
Major League Baseball
There is professional Rugby League in Amercia, it's called AMNRL. Russell Crowe started it.
St Louis
Ichiro Suzuki
Jim Bunning
The most popular sports in the us are football baseball and basketball.
Yankees, Dodgers, Giants, Cardinals and Rangers
The salaries for players on the Cincinnati Red Stockings, the first professional baseball team, ranged from $800 to $1400 per year. In 1869, this was a good salary.
The Erie SeaWolves are an American (double A) professional baseball team based in Erie, Pennsylvania. The team started in 1999.
Yes, Mexico has professional baseball, but does not have a Major League baseball team.
Oklahoma doesn't have a professional baseball team.
Nippon Professional Baseball was created in 1950.