You just refuse to listen to reason here. Let's try it with bullet points and capital letters:
- IF YOU ARE AFRAID THAT YOUR CHILD WILL GET HURT PLAYING FOOTBALL, DON'T HAVE YOUR CHILD PLAY FOOTBALL.
- IF YOU ARE AFRAID THAT YOUR CHILD WILL GET HURT PLAYING FOOTBALL IN A PARTICULAR LEAGUE/CONFERENCE, DON'T HAVE YOUR CHILD PLAY FOOTBALL IN THAT PARTICULAR LEAGUE/CONFERENCE.
- IF THERE IS A TEAM IN YOUR LEAGUE/CONFERENCE THAT HAS SO MANY ADVANTAGES/DISADVANTAGES THAT SAID TEAM'S EXISTENCE IN THE LEAGUE/CONFERENCE IS ONE YOU DEEM TO BE DANGEROUS, YOU HAVE OPTIONS: DON'T LET YOUR CHILD PLAY IN THAT LEAGUE/CONFERENCE, GET THAT TEAM REMOVED FROM THE LEAGUE/CONFERENCE, OR ACCEPT THE RISK
You don't pick and choose which teams in your league/conference you are willing to play against when the season is already in progress and, in this instance, when you had years of history to let you know that this was going to be a mismatch. The reality is that kids can get hurt playing football. If you're so worried about injury that you're pulling out of games, you don't belong on the field at all.