Geelong have avoided any sanction for making a deal with a player who had a history of concussions that required him to assume all legal responsibility for future brain trauma. The AFL chose not to sanction Geelong in what it said was a "complex and unique case". (Mal Fairclough/AAP PHOTOS)The deal with the unnamed footballer, who is still an active AFL player, was signed two years ago. "The AFL is satisfied that the letter was not used by Geelong to allow a medically unfit player to return to play. New AFL Commission chair Craig Drummond was the president of the Geelong board at the time the deal was struck.