In professional sports, a salary cap (or wage cap) is an agreement or rule that places a limit on . Leagues need to ensure a degree of parity between teams so that games are exciting for the fans and not a foregone conclusion. . Under the NFL's agreement with the NFLPA, the effects on the salary cap of guaranteed. NFL Free Agency Updated Salary - Cap Status for Every Team of pressure-packed kicks in 18 seasons, will likely help the Cardinals win close games down the stretch. . Both lines are more patchwork than powerful. With no salary cap for coaching staffs, guys like Reid can do just that. He has former Vikings head coach Brad Childress as a " spread game.