No one is really an expert when it comes to March Madness, so if you will be joining an office pool or ESPN bracket challenge, there is no need to be intimidated. Sometimes randomly picking games can be just as good or better than actually knowing about the sport. If you are planning on jumping into March Madness and watching a few games, here are is a quick course on what you need to know.

Photo credit: CBS.com

The favorite: Michigan State may only be a No. 2 seed, but the Spartans are considered the favorite by the online sportsbooks.

Regions: the tournament is broken down to four different regions (North, West, South, East) with 1 to 16 rankings.

Final Four: all four No.1 seeds have made it to the Final Four only once in the tournament’s history.

Upsets: upsets happen all the time and every year a few underdogs advance into the later rounds which gets the sports world riled up.