MARY LOUISE KELLY, HOST:
Grimsby Town, a small soccer club in the U.K. - so small, I'm going to guess even a lot of soccer fans don't know it.
AILSA CHANG, HOST:
Maybe not, but so much can change in just one night.
(SOUNDBITE OF MONTAGE)
UNIDENTIFIED SPORTSCASTER #1: Grimsby has beaten Manchester United.
UNIDENTIFIED SPORTSCASTER #2: They were more a united team than Manchester United were.
UNIDENTIFIED SPORTSCASTER #1: In the most dramatic circumstances.
UNIDENTIFIED SPORTSCASTER #2: This is why I love the game of football - because everything is possible. And that was a true David versus Goliath moment.
CHANG: That's CBS Sports covering the game.
KELLY: Manchester United is iconic. Grimsby Town is, well, not iconic. Imagine the Yankees losing to the Durham Bulls.
CHANG: It all