It's hard for me to imagine this sport even existing many generations from now. Currently, it's popularity in the US is completely unrivaled. I've heard that the second most popular sporting league in the US behind NFL is College Football. However, the toll it takes on those who play it, with special consideration to those at a non-professional level, is an issue that will not go away. Furthermore, it is also one of the most expensive sports to facilitate.
I would say much in the same way that I eat meat, I am a huge football fan. I understand the perils and downsides, and I believe as our culture evolves in the coming centuries both will be completely eliminated. So, while it's not an excuse that will stand to a lot of scrutiny: We are Kings of our Age and this is how Kings Live.