Walker, known for his explosive moves to the basket, scattered 11 of his 27 points in the third quarter where the Express held off the rallying Nationals while Pierre-Louise played steadily with his 21 points and 13 rebounds.
But it was the inspired performances of the FedEx locals that spelled the difference in the game with Yancy de Ocampo, plucked by FedEx from Red Bull, and Wyne Arboleda chipping in 13 and 12 points, respectively.
Gerry Esplana drilled in a difficult jumper with .3 second left and gave Shell a 78-76 victory over Alaska in the second game.