A curiosity the day the Portuguese National Football Selection plays the game.
A football player runs around 9 to 11 kilometres per game, and 80 to 85% of that run is a sprint!
To be at his best conditions, a player has to absorb the right quantity of calories. An elite athlete needs at least 4320 calories per day and about 60 to 70% of that caloric ingestion must result from the intake of carbohydrates.