Phelps announced that he would formally retire after the London Olympics. The 22-medal legend will remain forever in people's mind. Ryan Lochte, Phelp's former teammate and good friend, is expected to step into the main role of Team USA's swimming team. Lochte beat Phelps in the men's 400m individual medley and won his first swimming gold. A few days' later, Phelps beat Ryan Lochte in the men's 200m individual medley. Phelps said that Lochte was one of the most important opponents in his life. Lochte said that Phelps is ‘Phelps'. He is one of the greatest competitors in the world.