To start with, you are not watching your kid's Little League game, these are professional baseball players who are paid millions for their talents. The Chicago Cubs were playing the Pittsburgh Pirates at PNC Park on Thursday afternoon when this baseball madness broke out.
In the third inning the Cubs Javier Báez turned a ground ball to third base into, essentially, an RBI double, despite running all the way back to home plate at one point. Wait, you can do that? Amazing. The play was ruled a fielder's choice and a throwing error was charged to Pirates catcher Michael Perez. Wilson Contreras managed to score from second base on the play.
Instead of explaining it, just watch...