Top five QBs who could be replaced in 2015

5. Ben Roethlisberger, Steelers – The two-time Superbowl winner has been the unquestioned starter (when healthy) since he took over the team in 2004. However, with the mounting injuries and two straight years without a winning season as he reaches his early 30s, the Steelers may be prepared to move on without him in 2015 – especially after the team announced they will not discuss any contract extensions until the end of the 2014 season.