James Harrison has denied allegations of using performance enhancing drugs.

Harrison, one of four active players the NFL plans to interview as part of its investigation into the PED allegations, stated in the affidavit obtained Tuesday by NFL Media's Mike Garafolo that he never met or had communication with Charles Sly, the intern pharmacist who told Al Jazeera America he supplied Harrison with PEDs.

"As a professional athlete, I have met thousands of people during my career," Harrison wrote in the affidavit, "but to the best of my knowledge and recollection, I have never met with the individual who is apparently named Charles Sly..."