Top Basic Nutritional Tips For Soccer Players Most soccer athletes do not have a clear guide of what to eat to prepare for a soccer match, what to eat after a soccer match and how to maintain a rich high carbohydrate diet. There are nutritional guides that soccer players of all level must and should follow in order to put themselves in a beneficial position before matches. Simple Nutritional Tips 1. Carbohydrates, Carbohydrates, Carbohydrates!! I cannot stress this enough. Athlete performan.