Why worry about the science?
Leads to better and safer equipment
Affects the rules of the sport
Improves athletic performance
Increases appreciation of the sport
Good public relations for Physics
Notes:
The physics does play an important part in football as it does in almost every sport. As scientists we must remember that the science contributes to the sport in the following ways. Only the first item above involves the asthetic of the sport.
To me it is most interesting that the practicing athlete has developed an instinctive understanding of the physics involved in the sport, usually without connecting that understanding to what we would consider to be the fundamental physical principal.