The sport of baseball is known as America's past-time, but it boasts a worldwide presence and is popular in countries like Taiwan, Japan, and Cuba. Baseball has amateur leagues like the NCAA (college baseball) and professional leagues like the MLB. Baseball is a team sport played with nine (9) players on each side where teams switch off between fielding (on defense) and batting (on offense). The purpose of the game is to score more runs in nine (9) innings by having batters hit pitches and advance around the bases. Learn more about the sport of baseball by choosing a tutorial below.