What is the Gatorade Workout Day during the 2010 MLB All Star Game?

On this years MLB All Star Game, in the schedule during the day before the All Star Game, it says there is going to be the Gatorade Workout Day, and it says that it will be televised by MLB Network while ESPN will televise the Home Run Derby. What will go on at the Gatorade Workout Day, and what will they do during that event?What is the Gatorade Workout Day during the 2010 MLB All Star Game?I hate Gary Cederstrom and Joe Mauer!What is the Gatorade Workout Day during the 2010 MLB All Star Game?Way back, he just looks up, you can put it on the boooooooooooard, YES!