Denver Broncos QB Peyton Manning denies report he obtained performance-enhancing drug banned by NFL – New York Daily News
Angry Peyton Manning denies ever using HGH, calls Al Jazeera report 'completely fabricated' – New York Daily News
2014 NFL season, American Football Wiki
NFL clears James Harrison, Clay Matthews and Julius Peppers of PED use, NFL
NFL threatens to suspend 4 players, over PED probe spat, Sports
NFL Clears Three Players of Alleged PED Use - WSJ
NFL Clears Three Players of Alleged PED Use - WSJ
NFL clears three players in PEDs investigation
James Harrison, 3 other NFL players now agree to be interviewed by league over Al-Jazeera report – New York Daily News
James Harrison of Pittsburgh Steelers apathetic over probe if 'crook' Roger Goodell involved - ESPN
clay-matthews-julius-peppers-havent-talked-to-nfl
Denver Broncos QB Peyton Manning denies report he obtained performance-enhancing drug banned by NFL – New York Daily News
Peyton Manning of Denver Broncos 'furious' and 'disgusted' at Al Jazeera report, again denies using HGH - ESPN