NFL gave Vilma a sworn affidavit from Gregg Williams stating Vilma offered $10k to knock out Favre

NFL gave Jonathan Vilma a sworn affidavit from former Saints DC Gregg Williams that the New Orleans LB offered $10,000 to any teammate who knocked Brett Favre out of the January 2010 NFC Championship game

https://twitter.com/AdamSchefter/status/247817906220589057

So where was this sworn affidavit the first time the players appealed and asked for the evidence?