By Chris Rosvoglou Now that Ben Roethlisberger is officially retired, the Pittsburgh Steelers are in need of a quarterback. During a recent interview with CBS Sports, Steelers running back Najee Harris shared his thoughts on who could potentially replace Roethlisberger next season. Harris listed three quarterbacks in particular that would fit in Pittsburgh. Those three quarterbacks are Jimmy Garoppolo, Aaron Rodgers and Deshaun Watson. “Obviously, I don’t really know the scenarios, but Deshaun Watson is always in there. Aaron Rodgers, obviously I like. I’m not sure how far he is into coming cl…