In case you wanted to know how bad Carolina's punt unit is or how good Pittsburgh's return team is. It's all here.
http://soshcentral.com/nfl/games/previews/2015/01/03/2014-15-nfl-wild-card-special-teams-previews/
http://soshcentral.com/nfl/games/previews/2015/01/03/2014-15-nfl-wild-card-special-teams-previews/