Peyton Manning's integrity came under fire when an Al Jazeera America report accused the quarterback and other players of using performance enhancers.
Manning adamantly denied the allegations that he used human growth hormone and is now willing to answer questions by the NFL about the allegations, ESPN.com reported, citing unidentified sources.
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Since Manning retired after the Broncos defeated the Panthers in Super Bowl 50, he isn't obligated to cooperate with the NFL, but because he wants to clear his name he will agree to an interview with the league, according to the report.