Article Photos: Mavs: NBA title to sweep, offseason with questions 4/4

  Dallas Mavericks power forward Dirk Nowitzki (41) of Germany walks out from the huddle in the final timeout of Game 4 in a first-round NBA basketball playoff series against the Oklahoma City Thunder, Saturday, May 5, 2012, in Dallas. The Thunder won 103-97. (AP Photo/LM Otero)