<P> Originally only players east of the Mississippi were eligible, but since 1936 all football players in all divisions of college football are eligible for the award, though winners usually represent Division I Football Bowl Subdivision schools . </P> <P> There are three categories of persons eligible to vote for the award winner: </P> <Ul> <Li> Sports journalists: Heisman.com states that sports journalists are to be the determinants of the award since they are "informed, competent, and impartial ." There are 870 media voters: 145 voters from each of six regions . </Li> <Li> Previous Heisman winners (and in cases where an underclassman wins the award and remains in school to play, a prior winner may also be a current candidate). According to Heisman.com there are currently 57 prior winners eligible to vote and, thus, 57 potential votes (a prior winner is not required to vote and does not lose his voting privileges by not voting). </Li> <Li> Fans: As the Premier Partner of the Heisman Trophy, Nissan has a vote and gives this to the fans . Fan voting done through a survey collected by ESPN on NissanHeismanHouse.com . This constitutes one Heisman vote . </Li> </Ul> <Li> Sports journalists: Heisman.com states that sports journalists are to be the determinants of the award since they are "informed, competent, and impartial ." There are 870 media voters: 145 voters from each of six regions . </Li>

Who gets to vote on the heisman trophy