The players also weren't as big back then. They simply can't let them launch and hit like they used to because forget about concussions, we're talking about life and death. Also, those who used to brag about how hard they played in the 70's, 80's and 90's are some of the biggest whiners and lawsuiters of the NFL these days over withheld information. o? You played football, arguably the most dangerous sport around and you also played it all out. The NFL shouldn't have to tell you to be careful.
As for soccer, they really should allow poaching or relax the offsides rule. There basically is no such thing as a fast break in soccer and it shows given the final scores. As if it isn't hard enough to score using your feet to move the ball around defenders.