NBA: Portland Blazers prevail in battle of unbeatens against LA Lakers
Portland beat Lakers, while Jayson Tatum lifts Celtics over Nets and Knicks avert 0-4 start with win against Pistons.
<p>Portland beat Lakers, while Jayson Tatum lifts Celtics over Nets and Knicks avert 0-4 start with win against Pistons.</p>