I gotta say my first grader going out for wrestling is probably one of the best things he has ever done in his life to this point. He is my youngest and is kind of babied but he absolutely loves sports, especially football. One thing I notice when he played flag football was his unwillingness to go after someone on defense, afraid of contact. I never knew he liked wrestling and I did not encourage it so when he brought back the sign up sheet to me asking to do pee wee wrestling I about fell to the floor. So I told him I would let him join but he had to stick out the whole season, he agreed.
So he goes to practices and they show me all these tournaments we can sign up for. I seen one only 20 minutes from where we lived so I signed him up, probably a not the best idea. He had only been to a handful of practices and really did not know what he was doing, but the coaches told me this tournament was usually good at bracketing based on age & ability. So we get to the tournament and he was scared, started crying, did not want to do it. I insisted he try it and not worry about winning or losing. Well his first match was against the kid who finished 6 in state the year before, so he gets pinned in 23 seconds. Next match not much better got pinned in a minute. The 3rd match was against the kid who had pinned the other 2 and looked really good. I told my son to go out and give it his all and the coaches showed him a couple of moves to keep him off his back. He gets in there and dang near beats the kid only losing 11-9 but the poor little guy was whipped. I could not have been more proud of him and we made him feel really good about how well he had done. I saw something in my son that day that I had never seen before, toughness. He went on to learn, wrestle other tournaments, get a few pins, and had some fun.
I doubt my son will be wrestler as he gets older as he really loves basketball. In fact I don't know if he will go out for it next year (I hope he does). But what he learned from wrestling will go far for him in other sports especially playing in a contact sport like football. Now he knows he can take someone down and I bet I see a different football player playing defense. But the mental toughness you learn from the sport helps you in life.
If your son or daughter (yes there are girls doing pee wee wrestling) wants to try wrestling, let them do it. In the younger levels there really is not much they can do to hurt each other.