Deron Williams plans to turn down his player option worth more than $5.621MM and hit free agency to seek a multiyear contract this summer, sources told Tim MacMahon of ESPN.com (ESPN Now link). The Mavericks and the point guard have mutual interest in doing a new deal, according to MacMahon. The 11-year veteran who turns 32 in June likely needs offseason surgery to address a sports hernia. - See more at: http://www.hoopsrumors.com/2016/04/deron-williams-to-opt-out-mavs-want-him-back.html