Markus Wheaton: Not having Heath Miller “scares me a little bit”

Steelers quarterback Ben Roethlisberger said this week that he wants to see the team’s young receivers “take the next step” while Martavis Bryant serves his year-long suspension for violating the league’s substance abuse policy. Bryant isn’t the only major offensive piece from last season who will be missing in 2016. Tight end Heath Miller decided to…