NFL cleared Clay Matthews, Julius Peppers, and James Harrison in its investigation into PED allegations.

NFL Released this statement:

"The NFL found no credible evidence that Pittsburgh's James Harrison and Green Bay's Clay Matthews and Julius Peppers were provided with or used substances prohibited under the NFL-NFLPA Policy on Performance-Enhancing Substances following a comprehensive investigation into allegations made in a documentary by Al-Jazeera America, it was announced today. The three players participated in interviews last week at their team facilities.Initiated in January, the investigation was led by the NFL's security and legal teams with support from expert consultants and other professionals. The investigation involved witness interviews, a review of relevant records and other materials, electronic research, and laboratory analysis and review."