For someone to be a good defender they have to now how to tackle. They have to know when to tackle and when not to tackle. They have to be organized as a group.

To be a good defender takes hard work on the practice field.

To be know as a great player a dangerous player you have to be dangerous on attack.

As a back here's how I looked at it. I looked at it from your point of view. You can stop the attacker 99 percent of the time. Then make one mistake and they score you cost your team the game.

Your an attacker you fail 99 percent of the time. Then you score or do something to help your team score and you win. Your the star of the game.