With less than 48 hours to go before the brackets are revealed, it's time to start thinking ahead and forming a strategy for filling out the pool sheet. We all know a No. 12 seed can beat a No. 5, but as ESPN.com Insider and our resident Bracketologists start rolling out the Tournament Guide, we tell you what else to look for:
What you need to know about every seed
Play ESPN.com's Tournament Challenge
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