Host Celtics looking to close out Heat in Game 5

(Photo credit: Michael Laughlin-USA TODAY Sports)
The Boston Celtics may be without center Kristaps Porzingis when they face the visiting Miami Heat in Game 5 of their Eastern Conference first-round playoff series Wednesday night.

Top-seeded Boston took a 3-1 lead in the best-of-seven series with a 102-88 victory in Miami on Monday, but Porzingis exited that game late in the first half with a non-contact calf injury and