The usual private equity move is to take over, rapidly sell or borrow against every asset to hand the people behind the takeover an instant profit whatever happens to the company being taken over, then let the resulting zombie company lurch onwards.
Might be hard to apply to an NFL team.
I think the idea here is to maximize profits from the team, and as teacher's pension funds have owned sports teams here in Canada for extended periods of time, the general motif is: go cheap on player salaries, gouge on ticket sales and merch prices, assume that team quality is unimportant