Michael Johnson 'betrayed' by Olympic relay-mate Pettigrew's cheating admission
(Newser) -
Record-setting US sprinter Michael Johnson will give back one of his Olympic gold medals after Antonio Pettigrew, a teammate in the 1,600-meter relay during the 2000 Sydney Games, admitted to doping. Pettigrew's admission at a trial last month “shocked me like no other drug-related story,” Johnson writes...