Michael Phelps swam one event in his fifth post-Olympic years , placed first . At age 15 , though , people saw his potential to be great swimmer . age 15 Malchow likely meant swimming great . he has the most medals of all time , most golds . He raised the popularity of the sport in Baltimore through record-setting performances .
Michael Phelps swam one event in his fifth post-Olympic years , placed first . At age 15 , though , people saw his potential to be great swimmer . age 15 he has the most medals of all time , most golds . He raised the popularity of the sport in Baltimore through record-setting performances .