By Marie Moyle and David Lisko ( April 2, 2019, 1:32 PM EDT) -- While athletes continue to diligently train in preparation for fulfilling dreams of Olympic gold medals, their personal financial and sponsorship prospects relating to their Olympic quests remain somewhat in doubt. Uncertainty around sponsorship and marketing rules is holding up deals. The United States Olympic Committee has not yet published its Olympic marketing rules for the 2020 Summer Olympics because the International Olympic Committee has not done so yet, leaving United States athletes uncertain about their ability to financially profit from their athletic endeavors as the Olympic games draw closer....