Kristaps Porzingis is struggling in the playoffs due to a mysterious illness he can’t explain, calling it heartbreaking and physically draining.

We still don't know what exact illness Kristaps Porzingis is fighting, but we do know a bit more about the whole ordeal after the Boston Celtics center opened up to reporters following the Celtics' Game 2 loss to the New York Knicks.

The Boston Celtics have struggled to get a strong showing from Kristaps Porzingis, who is still dealing with a linger illness from the winter.