Fair enough, I don't know the whole process. I was just stating that if 3.3 Billion was in fact his net worth before, it's probably no different now, barring a major change in the valuation of his assets (which could certainly come about from a sale of property such as this.)
As others have mentioned, the Sabres are not a problem. If he owned a team in another NFL market it would be a problem. He would, however, need to sell his NFL Player Management company.
http://espn.go.com/nhl/story/_/id/7325044/buffalo-sabres-owner-terry-pegula-buys-nfl-player-agent-company