2. Acromioclavicular joint (AC Joint)
Jameis Winston (sprain, day to day)

3. Knee joint Leonard Fournette (returned to game)
Knee bent the wrong way

4. Clavicle
Aaron Rodgers (needs surgery, out for season?)

5. Sprained ankle
Edwin Encarnacion (sprained ankle, missed 2 playoff games)

6. Fractured ankle
Odell Beckham Jr. (needed surgery, out for the rest of the season).

7. What is a sprain?
When a joint moves too much in an unnatural direction and causes fibers within ligaments to tear, partially or completely.
Most common in sports, in ankles and knees.