Los Angeles Lakers coach JJ Redick saw the urgency he was anticipating Tuesday while his team practiced before what could be its final game of a tumultuous season. "I would describe us as on edge," Redick said. The third-seeded Lakers and the second-seeded Rockets both won division titles this season while barely outlasting several competitors in the tight Western Conference, where only four wins separated second-seeded Houston from eighth-seeded Memphis.