Pittsburgh could lean on a few rookies,including running back Le'Veon Bell,in its bid to rebound from an 8-8 season and get back into the AFC playoff mix.

Veterans Paul Kruger and Desmond Bryant and rookie Barkevious Mingo have been added on defense. But with Brandon Weeden or Jason Campbell likely to start at QB, there's still uncertainty.

Cinncinnati has kept the core of last season's team, which reached the playoffs, intact and has made some key additions, like veteran linebacker James Harrison and rookie tight end Tyler Eifert.