A scary moment played out for Patriots defensive coordinator Terrell Williams during Monday's practice, as the 51-year-old was forced to leave the session early and had to be treated for dehydration.

Patriots defensive coordinator Terrell Williams left the team’s practice Monday on a cart after getting treated for dehydration, the team said. A stretcher was brought out to the field, but Williams got up under his own power and headed inside on a cart. The team said he was “fine,” according to the Boston Herald.

FOXBOROUGH - The New England Patriots have provided an update on defensive coordinator Terrell Williams, who left practice early with the help of medical personnel on Monday. The team announced that Williams was treated for dehydration and is "fine.