If the Mavericks can sign Deron Williams they may be able to make this offseason a successful one still despite losing Jordan. A starting lineup consisting of Williams, Matthews, Parsons, and Dirk could do some damage no matter who their center is, With the offense from the other four positions all they really need is a 5 who can defend and rebound. Of course, all of this is if they can get Williams who isn't the player he once was, but still much better than the options the Mavs currently have at the 1.