MANILA, Philippines—With their backs against the wall, Arvin Tolentino and the Northport Batang Pier found a way to stay alive against Barangay Ginebra in the PBA Commissioner’s Cup semifinals. Tolentino and Northport trounced Ginebra, 108-103, in Game 4, finally getting on the board in a best-of-seven series that has been largely one-sided in favor of
