Who was baseball first millionaire?

The first millionaire in Baseball was Andrew "A.G." McGowan, who accumulated his wealth through various business ventures, including ownership of the Chicago White Stockings (now the Chicago Cubs) in the late 19th century. However, it is often debated that players like Cap Anson, a star player of the time, also became one of the first to earn substantial salaries that contributed to their wealth. McGowan's success marked a significant moment in the financial evolution of baseball, paving the way for future players and owners to achieve similar wealth.