Charles Banks

If it’s undertaken, the appeal case will not be completed before Banks is scheduled to begin serving his 4-year sentence next month.

"You're going to turn around," a federal judge instructed advisor Charles Banks, "and you're going to talk to all these people that you have caused pain for, face to face."

Charles Banks pleaded guilty to wire fraud related to loan refinancing for sports merchandising venture Gameday Entertainment.

"People like you ought to be held to a higher standard because you know better," a judge tells former adviser Charles Banks.

The five-time San Antonio Spurs champion is willing to testify against his former longtime planner, according to the team's lawyer.

Charles Augustus Banks called San Antonio Spurs player Tim Duncan's claims against him "naïve and immature" last year. Now the former RIA is under indictment by a federal grand jury and faces SEC charges.