First handed out in 1935 , the Heisman did n't go to an underclassman until Tim Tebow won in 2007 .
Just seven juniors snagged the trophy in its first 50 years of existence .
First handed out in 1935 , the Heisman did n't go to an underclassman until Tim Tebow won in 2007 , and just seven juniors snagged the trophy in its first 50 years of existence .