Sending all of our love and best wishes to Bethanie Mattek-Sands ❤ Mattek-Sands suffered gruesome knee injury in Wimbledon match: http://www.tennis.com/pro-game/2017/07/bethanie-mattek-sands-knee-injury-wimbledon-sorana-cirstea/67405/

The American slipped and fell, and was taken to the hospital to have her knee treated.