1 Pain or tenderness of your jaw. 2  Pain in one or both of the temporomandibular joints. 3  Aching pain in and around your ear. 4  Difficulty chewing or pain while chewing. 5  Aching facial pain.  Locking of the joint, making it difficult to open or close your mouth.
For a broader usage of the name, see American football (disambiguation). American football, referred to as football in the United States and Canada, and also known as gridiron football or simply gridiron, is a sport played by two teams of eleven players on a rectangular field with goalposts at each end.
Rugby football is a sport that people play around the world. Many people play rugby in the UK, Australia, New Zealand, Ireland, Italy, France, South Africa, Argentina, Japan, USA, Canada the Pacific Islands and some 100+ other countries. It is the World's premier oval ball football and is usually just called rugby.