Al Jazeera releases recording confirming that Sly worked for Guyer Institute in 2011

The disputed report linking Peyton Manning to HGH has sparked a collateral skirmish that, while technically irrelevant, could be useful when parsing through the broader question of who’s telling the truth, and who isn’t. The dispute arose on Sunday, when the Guyer Institute in Indianapolis disputed the notion that Charles Sly, the unwitting source of…