LeBron James, F, Heat
(age in Rio: 31) USA Basketball managing director Jerry Colangelo said he hopes the distinction of being team USA's first four-time Olympian will be enough of a carrot to lure James back one more time. (Rio would be four Olympics for Carmelo Anthony, too.) The three-time NBA MVP was a force in London, getting to the rim with ease when the Americans needed a basket and averaging 13.3 points, 5.6 rebounds and 5.6 assists, including the first triple-double by a U.S. player in the Olympics. James also emerged as a vocal leader, adding to his value.