Pro atheletes are part of the rare group of workers who get paid close to value of their labour.
At the low end NFLers are underpaid if anything. They get a good salary but only for a few years and then they are in their mid 20s with a joke degree and not a whole lot of other skills.
Don't lump cops in with teachers. If you want a dangerous job pick roofer or garbageman or something else that's more dangerous than being a cop.