Lots of sports are amateur and so have no professionals playing. They still have competitions, including leagues. Gaelic Football and Hurling, Ireland's two national sports have leagues. They are amateur sports, run by the largest amateur sporting organisation in the world. So their leagues are amateur, not professional.
There are hundreds literally. These are broken down in to countries, genders, leagues professional leagues armature, University, School, etc
Yes. The players in the minor leagues are being paid a salary to play baseball. This, by definition, makes the minor leagues professional as the players are making, or trying to make, a livelihood from playing baseball.
There is a professional womens league currently playing in the US called the IWFL. Also no major professional leagues have rules against women playing, but no women have ever played for any of them.
Babe Ruth was 19 years old in 1914, when he began his professional baseball career.
No, there are many non citizens playing in the major and minor leagues now. Actually only 63% are US citizens ...
There was a women's professional baseball league between 1943-1954 called the All American Girls Professional Baseball League. Click on the 'AAGPBL' link on this page to go to their website to read the history of women playing professional baseball.
When not competing in an official game, basketball players at the professional level are often honing their skills or developing their conditioning. The most successful players in professional leagues around the world never stop perfecting their "game".
I got glasses from playing video games too much. Yes you can.
Playing it isn't technically "illegal." Pirating it to cartridges and making money off of it is "illegal," however.
It can were glasses if it is always playing computer.