Le'Veon Bell's contract situation proves NFL free-agency really isn't free, even for superstars

Steelers running back Le'Veon Bell is going all-in to maximize his career earnings. You really can't blame him for that.You're probably mad at superstar running back Le'Veon Bell for rejecting a five-year offer from the Steelers on Monday that would have reportedly paid him $42 million over the first three years.Why are you mad at Bell, though?Unless things get truly ugly between now and the beginning ofthe 2017 regular season, Bell will play for the Steelers to the tune of $12.1 million, as per