Jarrett Jack left Saturday's 100-97 victory in the third quarter after his knee gave out on a drive to the hole on a fastbreak. Jack sprawled out onto the floor and did not return.
The Nets said it was a right knee sprain, but he'll receive an MRI for further testing Sunday.
The injury, however, looked more serious than a knee sprain.
"I had never felt pain like that before, so I knew it was something," Jack told reporters in Boston. "I'm going to try to stay positive and try not to speculate. I'm still optimistic, still hoping for the best, and tomorrow we'll find out what the future may hold."
He posted this to Instagram account shortly after the game, saying it was the "Worst pain I've ever felt in my life."
Jack was having an impactful night with nine assists before exiting. What stood out the most, though, was his leadership earlier in the third quarter when he stood up for Brook Lopez after a hard flagrant foul from Jared Sullinger.
The leadership Jack brings night in and night out makes you feel his pain even more.
Jack said post-game that he's trying to remain optimistic, noting he has never had a knee injury before.
During a season filled with negativity, this is one of the last things you wanna hear if you're the Nets. We can only hope that he's back on the court soon.