Re: 2012/13 Observation Deck
There's a guy on ESPN's leaderboard with the screenman "TheBradfo" and he has a number after his name I guess indicating what bracket number it is. He has 3 brackets with a perfect 50 so far (which isn't saying much but that's not my point): "theBradfo 32", "theBradfo 2", and "theBradfo 5". So that means he filled out at least 32 difference brackets. There's another person "ICE" who has "ICE 8" an "ICE 1" with a perfect 50 so far, too. Anything more than 2 or 3 is excessive.
I think I did 3 different brackets on ESPN, but one of those is my chalk bracket where I pick the higher seeds every game (and just go with my gut in the Final Four and national championship game) to see how it stacks up with my real bracket, so I don't really count that one.