Four of the greatest tennis players of all time, Andre Agassi, John McEnroe, Andy Roddick, and Michael Chang, are set to compete in the Inaugural Pickleball Slam on April 2 at the Seminole Hard Rock Hotel & Casino in Hollywood, Florida. The competition is part of a multi-year partnership between the event's organizers and the Hard Rock, and the winner of the competition will receive a $1 million prize. Fans of tennis and pickleball alike will be tuning in to see who will be crowned the winner.