SANTA CLARA, Calif. (KGO) -- The NFL has announced it will do what it calls a full investigation of the allegations that Denver Broncos quarterback Peyton Manning used performance enhancing drugs.
Manning has vehemently denied the allegations.
They arose after Al Jazeera reported manning's wife received shipments of HGH from an Indianapolis anti-aging clinic.
The NFL says its investigation will start after the Super Bowl, which takes place on Feb. 7 at Santa Clara's Levi's Stadium.
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