Debate over Peyton Manning and HGH still bubbles years after Al Jazeera documentary

Peyton Manning (18) of the Denver Broncos passes the ball for a gain of 27 yards in the first quarter. The Denver Broncos played the Minnesota Vikings at Sports Authority Field at Mile High in Denver, CO on Oct. 4, 2015. The emails containing Peyton Manning‘s explanation for the human growth hormone shipments sent to his home went out just after midnight on Dec. 16, 2015.

A few weeks earlier, an investigative reporter with Al Jazeera network informed Manning’s agent that an unidentified source had made a series of allegations about the star quarterback using HGH.

That week, Manning’s lawyers had tried to convince Al Jazeera their source was lying. An Indianapolis clinic had sent HGH to the…