Kevin Durant showed no signs of rust in much-anticipated return from a calf injury, lighting up Serbia en route to a big U.S. win in its Olympic opener.LeBron James and Kevin Durant — the two most-experienced Olympians on this American team — opened the Paris Games and a U.S. bid for a fifth consecutive gold medal with a near-perfect show. Durant made his first eight shots and scored 23 points, James added 21 points, nine assists and seven rebounds and the U.S. rolled to a 110-84 win over Serbia in the Olympic opener for both teams on Sunday.See Durant's performance in the video below:App users click here