10 do's and don'ts for any aspiring Major League ballboy or ballgirl

The Orioles recently announced that they will hold ballgirl/ballboy tryouts at Camden Yards on March 1. Think you have what it takes? Here are 10 important tips to help you brush up on the art of foul-line fielding:

1. Do lay out for grounders if you can catch them. Even if you're wearing shorts:

2. Don't lay out for grounders if you're not going to catch them:

3. Do save players from stray foul balls:

4. Don't call off players on playable foul balls:

5. Do sacrifice your body in the name of the home fans:

6. Don't sacrifice your body if you can't catch the ball:

7. Do give foul balls to fans:

8. Don't give fair balls to fans:

9. Do this with your helmet:

10. But don't ever let someone do this to your helmet:

Got all that? Good. Now, who's making the trip to Baltimore?