Bluebulb Projects' The Measure of Things presents:
3,500 is about twelve-and-a-half times the number of Professional Baseball Teams in the United States.
In other words, the count of Professional Baseball Teams in the United States is 0.0787 times that amount.
(2016 figures) (includes Major, Minor, and Independent Leagues)
Nicknamed "America's pastime," there are 276 professional baseball teams in the United States (across all levels of play). Major League Baseball — the league with the highest level of professional play — drew more than 74 million spectators at gmes in 2013.