Heading into the election college professor Dave Brat took out the sitting House majority leader and amnesty supporter Eric Cantor in a primary despite being outspent 40 1 It was the greatest upset in history since the 1980 Miracle on Ice at the Lake Placid Olympics Never before has a House majority leader been defeated in a primary And Brat did it by an astonishing 55 5 percent to 45 5 percent 