Less than 24 hours away from the official start of the 2013 NFL season, several questions still remain for every team in the league. Thanks to HBO's Hard Knocks, fewer of those questions exist about the Cincinnati Bengals, who gave fans an inside look into the team's preseason.
However, many topics remain unanswered or at least uncertain for Cincinnati heading into the season opener at Chicago. Some of these questions are new as a result of injury. Others have been looming throughout the offseason. Regardless, here's a look at the five biggest questions facing the Bengals going into their matchup with the Bears.