LONDON -- LeBron James had a huge dunk and a 3-pointer in the final 2:50 and Kevin Durant scored 30 points, helping the U.S. win its second straight Olympic title with a 107-100 victory over Spain on the final day of the London Games.The U.S. was unable to truly slow the Spanish offense until the closing minutes.James had 19 points on a day he joined Michael Jordan as the only players to win the NBA title, regular-season MVP, NBA Finals MVP and Olympic gold in the same year.For Kobe Bryant, it was his last Olympic moment."This is it for me," said Bryant, who scored 17 points. "The other guys are good to go."Pau Gasol scored 24 points and Juan Carlos Navarro had 21 for Spain.Spain trailed by only a point heading into the fourth quarter.But the Spanish somehow lost sight of James, and he drove uncontested and threw it down for a 99-91 lead with 2:48 left. After Marc Gasol dunked, James dribbled outside the circle with Marc Gasol giving him just a bit too much room, and James pulled up for the 3 that made it 102-93 with 1:59 to play.Pau Gasol then was called for an offensive foul on a pick, and the Americans could sense that it was over. Wrestling: The U.S. men's wrestling team had multiple gold medalists for the first time since 1996.Jake Varner got the second one when he won four straight matches to take the 96-kilogram freestyle, beating Valerie Andriitsev of Ukraine 1-0, 1-0 in the final. Marathon: Uganda picked up its first and only medal of the games when Stephen Kiprotich easily captured the Olympic marathon.Kiprotich finished in 2 hours, 8 minutes, 1 second, holding off the Kenyan duo of Abel Kirui and Wilson Kipsang. Kirui finished 26 seconds behind Kiprotich, while Kipsang, the leader much of the race, faded late but held on for bronze just ahead of American Meb Keflezighi. Volleyball: Russia won its first men's volleyball gold in 32 years by rallying past Brazil in five sets.Second-ranked Russia dropped the first two sets and faced two match points before putting together an impressive comeback in a 19-25, 20-25, 29-27, 25-22, 15-9 victory, paced by 7-foot-2 middle blocker Dmitriy Muserskiy's 31 points. Elsewhere in London: France won its second consecutive Olympic gold in men's handball with a 22-21 win over Sweden. ... Croatia won its first Olympic gold in men's water polo, pulling away from Italy for an 8-6 win. The U.S. lost 10-9 to Australia to drop to eighth place.