The league has no burden of proof to fans. They can say whatever they want to justify it.
Meaning, I fully expect them to say something like that, but never actually provide any proof. If so, I'll just believe they're pretty much full of it, and doing more harm to Zekes reputation by letting people's imaginations go wild.
That would be such a cop out. "6 games, because uhh we totally found something. What was it? Hey, what's that over there?!" *smoke bomb* *falls over the podium, curses and runs out of the room*