In a pre-playoff, playoff-defining game, 10 key players will take the national stage under the microscope of only the second sell-out game of the season in Cincinnati.
One team has been reborn under the leadership of youth nation; the other has been maligned as under-achieving veterans.
One coach is the former architect of the latter's original defensive foundation. The other is the upstart older brother of the up-and-coming young coach of the San Francisco 49ers.
Be it Lewis on one of the top five defenses in the league or Lewis on the sideline of yet another successful rebuilding project in Cincinnati, there are several key participants to watch on New Year's Day 2012.