By Dan Lyons He is one of the most dangerous returner specialists in the sport, but the position is dangerous. The Dolphins traded for one of the NFL’s most dangerous weapons in former Chiefs wide receiver Tyreek Hill. On top of being a game-breaking talent on offense, Hill is also one of the most dangerous return-men in the game, and he wants that to be part of his role with his new franchise. “Tyreek, the first thing he said was I want to make sure I’m back there, getting a couple of returns every game,” Dolphins general manager Chris Grier said Monday, per The Palm Beach Post. Hill can chan…