What It Means:

Reports have varied on the extent of Houston's injury, which was initially reported as a PCL sprain and later a hyperextension. The visit to Dr. Andrews indicates Houston may be exploring the possibility of undergoing surgery. Getting the start in Houston's place last week, Dee Ford piled up seven tackles, three sacks and a pass breakup. Houston is a definite loss, but the Chiefs are armed with quality depth behind him.

Through Week 14, the Chiefs defense ranks fourth in the NFL in Adjusted Defensive Passing Net Expected Points per play.