With billions of dollars wagered in office pools and the impossible dream of a perfect bracket on the line, March Madness bracket season has arrived with Sunday's selection of 68 teams for both men's and women's NCAA basketball tournaments.

The clock is already ticking for you to fill out your bracket and join our Bracket Mayhem game, and the odds for every first-round March Madness games are already up at sportsbooks and moving, as bettors place their wagers. If you need any tips on bracket strategy, we also have you covered.