Emotionally, I'm on your side.
But, defamation is a civil tort.
The rest is beyond my expertise to determine, but I'm not sure it will be easy to find a Prosecutor to take it to trial, if you are suggesting criminal proceedings, especially when the team's owner has declined his own ability to appeal or right to sue in civil court.
The best we can hope is that Judge Berman vacates Goodell's ruling and refers the matter to an independent arbiter, acceptable to his court. In that context, any nefarious activities by the NFL would be exposed.