Adrian Peterson was originally listed as questionable for Sunday’s Vikings/Lions game. But the reason he was on the list is unusual.

Peterson apparently swallowed his chewing tobacco when the Vikings' plane hit turbulence and dropped nearly 1,000 feet, ESPN reported.

>> Read more trending stories  

The star running back ended up vomiting after the flight. Team officials were not sure why he had been sick so quickly, but he did start Sunday.