Sport Mavericks Exercise Team Option on Dereck Lively II by Javier Moreno - Sports Editor October 20, 2025 by Javier Moreno - Sports Editor October 20, 2025 Dereck Lively II Signs Contract Extension with Dallas Mavericks DALLAS – The Dallas Mavericks have exercised their fourth-year team option on center dereck Lively II, securing his contract through the … 0 FacebookTwitterPinterestEmail