By Evan Bleier With 64 teams that will be whittled down to one champion over the course of three weeks of basketball games played across the country, a completed March Madness NCAA Tournament bracket is a thing of beauty. At least that’s the case until the first round of games tip-off around lunchtime on Thursday and the majority of brackets become marred with red lines as favorites go down in flames and Cinderellas remain on the floor in the Big Dance. To keep your bracket as pristine as possible through the weekend and into the Sweet 16, we spoke with sportsbook director Tom Gable of the Bor…