Reading from the link - it states that if the defendants are convicted they will have to forfeit any assets - property or proceeds obtained from the charges.
Actually, he sold it before it could be confiscated.
Vick quickly sells Surry home
May 11, 2007 | Hampton Roads Daily Press
The Surry County property belonging to Atlanta Falcons quarterback Michael Vick was put on the market and is already under contract to a buyer, according to Long & Foster real estate.