New England Patriots tight end Rob Gronkowski was forced from Sunday's game against the Miami Dolphins with an ankle injury, which he originally suffered two weeks earlier, per Jeff Howe of the Athletic.
He never returned to the field after the injury.
According to Greg A. Bedard of Boston Sports Journal, Gronkowski wasn't seen in the locker room after the game.
The All-Pro had four catches for 44 yards in the eventual 38-7 win before his exit.
This article will be updated to provide more information on this story as it becomes available.