It isn't always Dad's that have the biggest problem. I speak from experience. I am the one with the problem. I loose control and if it wasn't for my husband (and even my own kids telling me to stop), I would be a mess. My husband is much better at handling things when it comes to sports. I have learned to let him handle that task with the kids. I try to stay on the sidelines or at home waiting for him to call with updates due to having "lost control" at too many games (wrestling, football, baseball, ect.). I am a very competitive person and can't stand loosing. When I was growing up, I hated to loose so much that I would rather not even try if it meant I could loose. This is my problem and so I try not to let it influence the kids. My solution, I stay away or go to the van when things get to intense.