Matthew Stafford is holding out hope that he'll play against Denver on Sunday, but there are no guarantees.
Stafford's right ankle was sprained when he was hit on the Lions' final offensive play in last Sunday's loss to the Atlanta Falcons.
In a radio interview on NewsTalk 760 WJR in Detroit Tuesday afternoon, Stafford said he doesn't know if he will be ready to start against the Broncos.
"I can't put a percentage on it," Stafford said. "I've got to take it day by day, see how it's doing if I can move around and go out and play."
Stafford was hit on his right lower leg as he rolled left to throw a pass, which fell incomplete. He had his foot in a boot Sunday night and has been taking treatment.
If Stafford can't play, Shaun Hill will start.
Stafford did not say if he will be able to practice when the Lions begin drills Wednesday to prepare for Sunday's game.
Stafford was asked to describe the nature of the injury.
"Just a sprain, I guess," he said. "It's kind of in a weird ...