For yet another year, the NFL was a ratings force during the regular season. Fans around the country tuned in on Thursday, Saturday, Sunday, Monday (and in the case of Christmas, Wednesday) to see their favorite teams play.

The Kansas City Chiefs are chasing a historic third straight Super Bowl title, but several teams are standing in their way. From playoff-tested contenders to rising threats, we’re breaking down the top five teams with the best chance to knock off the reigning champions.