Why is there going to be a supplemental draft? There are no expansion teams coming into the league this year.

Originally Posted by: Nonstopdrivel 

The supplemental draft is for players who couldn't declare eligible for the Draft the first time because of grades or whatever reason they may have had.

Originally Posted by: Zero2Cool 

Since 1977, the NFL has also held a Supplemental Draft to accommodate players who did not enter the regular draft. Players generally enter the Supplementary Draft because they missed the filing deadline for the NFL Draft or because issues developed which affected their eligibility (such as athletic or disciplinary matters). The draft is scheduled to occur at some point after the regular draft and before the start of the next season. In 2009, the Supplemental Draft occurred on July 16. In 1984 the NFL held an additional draft for players who were under contract with either USFL or CFL teams.

wiki wrote:

suspended for senior season after testing positive for steroids.
declared academically ineligible.
dismissed from the team.
out of NCAA eligibility.
declared academically ineligible.
declared academically ineligible.
dismissed from the team.
declared academically ineligible.
declared academically ineligible.
suspended for senior season after testing positive for a banned supplement.
voluntarily left school after violating its honor code.
declared academically ineligible.