If they are in season, you can add an extra hour to that plus travel time, study hall, team meetings and training room time . A scholarship is not a contract. You are now being paid to play the sport you love, but you have to improve, work your hardest, and not get too seriously injured to keep your pay check. 40 RBIs in a season, or 15 points a game. If you cannot meet those responsibilities, there is someone on the bench who will try to for you.
Classes sometimes get the back burner.
It is not wise to take the hardest classes all in one semester. A 4.0 in high school is much different from a 4.0 in college. Classes take up more outside of class time than actual class time. If you are a girl, you can throw out all the old rules, and start obeying the new ones. Female athletes have it a little bit differently than male athletes.