1. Jon Jones
Nobody’s career has been thrown off more by USADA than Jon Jones’. The 30-year-old has failed two important USADA drug tests. The first saw him pulled from the UFC 200 main event against Daniel Cormier.
Jones failed another test stemming from his UFC 214 victory over Cormier last summer. He was stripped of his UFC Light Heavyweight Championship for a record-setting 3rd time as a result.
USADA is expected to hand Jones a 2-year-suspension later this year. He is facing as long as a 4-year ban, however.
