If you are talking about a football player than they should eat vegetable's fit and healthy.If someone is a Baseball player or soccer player they should eat the same thing.
chocolate and sweets
you have to eat a variety of food to make sure your not starving
You should eat tuna on wheat with milk, but the best snacks during a football game would be chips or other crispy treats.
you should eat a lot of carbohydrates to give you energy eg.potatoes, pasta,rice
You should eat banana, but eat it about 2-3 hours before you eat. Another thing you can do is, the night before your football game, eat pasta. Pasta is rich in fiber and has a complex carbohydrates which is what athletes need.
You should eat pasta after any workout or game it is great for recovery.
football players eat pizza after games
spaghetti, has a lot of carbohydrates, its good for you.
Eat, sleep, football.