Is J.J. Watt's Season Over?

Good Morning Football—September 29, 2016

Jordan D. Metzl, MD, a primary care sports medicine physician at Hospital for Special Surgery, talks about different football injuries on NFL.com's Good Morning Football.

For example, Dr. Metzl explains Medial Collateral Ligament (MCL) sprains: "Even though they call every injury an MCL sprain, they are all very different."

This segment originally appeared on NFL.com.