Evaluating Bengals' 2015 weaknesses in defense and ways to improve in 2016

Even the league's best defenses have weak points.In 2015, the Bengals had one of the best defenses in football. In 2016, Cincinnati's defensive personnel will remain mostly intact. The team parted ways with Reggie Nelson, Wallace Gilberry, Emmanuel Lamur and A.J. Hawk during the offseason, and from the looks of it, Leon Hall seems more unlikely than likely to return. To compensate for their offseason losses, the Bengals added Taylor Mays and Karlos Dansby, as well as rookies William Jackson III, Nick Vigil, Andrew Billings and Clayton Fejedelem.

With promising young players like Shawn Williams, Darqueze Dennard and P.J. Dawson expected to see more time on the field, there's plenty of reason…