Serena Williams is going to rest her back for the Olympics.Williams won her fifth Wimbledon title this month and eight days later captured the Bank of the West Classic in California. Olympic tennis begins July 28 at Wimbledon.She said Friday she was pulling out of a World Team Tennis match for the Washington Kastles on Sunday. She'll be replaced by sister Venus.In other Olympic tennis news:French tennis player Gael Monfils withdrew from the Olympics because of a right knee injury. Monfils was replaced by Julien Benneteau.Briefly Discrimination: Sports governing bodies from Japan and Australia are being skewered following complaints that male Olympic athletes flew business class to the London Games, while the women sat in the cheap seats. Japan's world champion women's soccer team took exception to flying economy while their male counterparts sat in business en route to the games. Soccer: Neymar turned in a fine individual display by scoring one goal and setting up another as Brazil warmed up for the Olympics with a 2-0 victory over Britain in Middlesbrough, England. The 20-year-old striker whipped in a free kick for Sandro to head the gold medal favorites in front in the 12th minute. Spain: The Spanish Olympic committee said basketball player Pau Gasol will replace Rafael Nadal as the country's flag bearer for the opening ceremony of the London Games. Nadal will not defend his Olympic tennis title after pulling out with an undisclosed injury on Thursday. Feliciano Lopez replaced Nadal. Torch: A teenager unsuccessfully tried to grab the Olympic torch from a runner taking the flame from the town of Maidstone to Redhill, near London. Local police said 17-year-old launched himself at the flame as it passed through the English riverside town of Gravesend.