It is always best if you want to be a great football passer like Tony Romo to start young. You can always pick up those skills but it works better if you learn them early because it can be more difficult to change bad habits.
Tony Romo is one of the best quarterbacks in the NFL and has guided the Dallas Cowboys to another exciting season. Many people may ask themselves if they can grip and throw a football like Romo. It is good if you have large hands because it makes it easier to grip the ball.
Next you want to study the way Romo rotates his shoulder when he throws the ball. It is important that you rotate your shoulder so that you can get the momentum behind the ball. It makes it easier for you to throw the ball 30 to 40 years if your timing with this is good. So practice this to get better at rotating.
Next the grip is one of the most important things you can do. You want to use the laces and put your last three finger over the laces so that it feels comfortable. You may need to practice this so that you get the grip that feel best for your hand. There are some variations form quarterback to quarterback but most of them grip this way.
Finally if you are just starting to throw the football then it is always better to learn how to throw it correctly form the beginning. It is hard to change the way you throw it if you have been taught a bad grip then starting with a great grip form the beginning.