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 league. Rugby league football, usually called rugby league, is a full contact sport played by two teams of thirteen players on a rectangular field. One of the two codes of rugby football, it originated in England in 1895 as a split from the Rugby Football Union over the issue of payments to players.