Generally, the third defensive pair is not the place to look for major upside on any given team. The St. Louis Blues, however, could expect big things from their third defensive pair this season. Two young and ascending players man the blue line, what heights can they achieve?

Typically, third-string defensemen are career journeymen, backups, or AHL-level players. For the St. Louis Blues this season, however, there is real upside to get excited about on this third pair.