Baseball

1. .Equipment

1.1. Check out http://www.mindmeister.com/tools

1.2. Bat

1.3. Helmet

1.4. Baseball

2. Players

2.1. Pitcher

2.1.1. Catcher

2.1.1.1. First basemen

2.1.1.1.1. Second basemen

2.2. Left fielder

3. Bases

3.1. First

3.1.1. Second

3.1.1.1. Third

3.1.1.1.1. Home

4. Areas

4.1. Dougouts

4.1.1. infeild

4.2. outfield