With the Lakers, Clippers and Kings all hosting two home playoff games between Thursday and Sunday and the final stage of the Amgen Tour of California cycling race set to finish in front of the building Sunday morning, Staples Center is preparing for a dizzying weekend. "It's going to be unprecedented for any arena anywhere," Staples Center senior vice president and GM Lee Zeidman said. "No one will ever duplicate it except for us because we're the only arena with an NHL team and two NBA teams."