This document provides an overview of the basic rules and structure of baseball. It discusses the 9 innings that make up a game and how batting teams get 3 outs before their turn is over. It explains scoring runs by safely reaching bases and describes the positions on the field. The history of baseball and some famous players like Babe Ruth and Jackie Robinson are highlighted. The document also summarizes the Major League Baseball structure in the US and international competitions like the World Baseball Cup. Key teams and star pitchers and hitters like David Ortiz are identified.