Pittsburgh Steelers linebacker James Harrisonsaid in an affidavit sent to the National Football League he never met nor communicated with the source of a media report that linked him and other players to the use of performance-enhancing drugs.
Harrison has insisted that league officials have to provide "credible evidence" before he agrees to an interview. The NFL Players Association sent a letter on Harrison's behalf along with the signed affidavit to NFL executive Adolpho Birch.
The other active players implicated by the Al-Jazeera report are Green Bay linebackers Clay Matthewsand Julius Peppers, and free-agent linebacker Mike Neal, who played the past six seasons with the Packers.