Watch for overachieving understudies

Reporting from New Orleans
Who’s going to make it to the Super Bowl?
Keep an eye on the over/unders.

That’s the overachieving understudies, and each of the four teams in Sunday’s conference championship games has at least two of them. They are the unheralded players who have ably stepped into key roles to help their teams — New Orleans, Minnesota, Indianapolis and the New York Jets — get to this point.
A look at some of the no-names who’ve got game: