Wisconsin athletic director Barry Alvarez said it's time to abolish the so-called 20-hour rule designed to limit how much time students spend on athletics instead of academics per week. Let's not make ridiculous rules that you can't follow.'' Alvarez will get no argument from Big Ten Commissioner Jim Delany, who called the rule a ''misnomer'' based on the amount of time athletes devote to their sport and said it needs a new label.