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.

When Kristaps Porzingis concluded his first six-minute shift Wednesday night, he looked like he’d just run a marathon. His breathing was heavy. He was visibly fatigued. When he took his seat on the Celtics bench, he dropped his head and stared at the TD Garden parquet.

Kristaps Porzingis voiced his frustrations as his illness forced him to leave Game 1 early and had him lacking energy in Game 2.