Marcus Mariota is going to be the biggest Heisman Trophy margin of victory ever, right?

At this point, the largest Heisman Trophy margin of victory ever is 2006, when Troy Smith won and Darren McFadden came in second -- neither of their careers did a ton after that, honestly -- with Smith getting 2,540 points and McFadden getting 878. (More on that in a second.) Tomorrow night, Marcus Mariota, Amari Cooper, and Melvin Gordon are the three …