For NFL players, the roar of the crowd is just a day at the office. But it's an unusual soundtrack for the Wisconsin statehouse, where government workers have been protesting potential cuts.
The NFL Players Association recognized the Wisconsin unions with an official declaration: "The NFLPA stands in solidarity with its organized labor brothers and sisters in Wisconsin."
Brothers? Sisters? Or are they more like distant cousins?
Placekicker Jay Feely, the union rep for the Arizona Cardinals, points to one profound difference.