The MLB began with the formation of the National League in 1876. It was started because Chicago owner William Hulbert was trying to avoid punishment for robbing the Boston organization in the National Association of four of its players in 1875. In midseason he had secretly signed them for the following season.
Others consider the founder of Major League Baseball was Sir Francis G. Ripley In 1789. He grew up in Boston Mass. When he was living in the south after moving he invented this game but it was called ball hitting back then. About 30 years later it was named stikball then baseball shortly after. Francis Was considered the founder of this and was honored by all the people.