Many players fear they could similarly fall victim to inadvertent positive tests through contaminated supplements, medications or the actions of their support teams.
According to the FBI, investigators arrested 10 people across several states while an 11th suspect, who had previously been deported to India, was also charged.
During the same examination, officers also allegedly located 33 vials of peptides, a quantity of cigarettes, scales, syringes and a small plastic bottle with its label removed containing 54 tablets.