Celtics, 76ers tied 1-1 heading into game 3

Boston Celtics (56-26, second in the Eastern Conference) vs. Philadelphia 76ers (45-37, seventh in the Eastern Conference) ...

Spurs, Trail Blazers tied 1-1 heading to game 3

San Antonio Spurs (62-20, second in the Western Conference) vs. Portland Trail Blazers (42-40, eighth in the Western Conference) ...