By Kyle Wood Breaking down the good, the not-so-good and the ugly when it comes to the top 16 teams and their ability to cover the spread. The top four seeds in the NCAA tournament historically fare very well against seeds 13-16. The top 16 teams are 513-63 against the bottom 16 teams all-time. That’s an 89% clip. Pretty good odds. But if you’re betting against the spread (ATS) on those top teams, it’s not as easy as just penciling in the No. 1 seeds of the world, especially when spreads are eclipsing 20 points. So how do seeds 1 through 4 fare ATS? There’s a large disparity between the top te…