Houston Texans defensive end J.J. Watt?has undergone back surgery, sources told ESPN on Thursday, in what was the second surgery in six months for the reigning NFL Defensive Player of the Year.The Texans are optimistic Watt will be ready to play at the start of the regular season. But sources told ESPNs Tania Ganguli there was concern his availability for the early part of the season could be compromised.Watt, who has never missed a regular-season game, will open training camp on the physically unable to perform list and will miss the preseason, the sources said.?He didnt play during last years preseason to preserve his health.The Houston Chronicle previously reported Watts back surgery.Watt played last season with a herniated disk in his back, and sources told Ganguli that Watt had surgery for the same issue. Watt also had a broken hand and five torn muscles in his core area last season. He had a major surgery to repair the muscles after last season ended and had been rehabbing that. Some of the tears happened early in the season.He reached a breaking point with the torn muscles during the Texans wild-card playoff game against the?Kansas City Chiefs. In the third quarter, the Texans pulled Watt. Despite his protests, team trainer Geoff?Kaplan did not allow him back in the game.Even amid that turmoil, Watt won his third defensive player of the year award for his 17.5-sack 2015 season.Information from ESPNs Adam Schefter was used in this report. Paul George Scarpe Nasa . Brandon Morrow allowed five runs on six hits over three innings. He struck out two, walked one and hit a batter. Edwin Encarnacion had a two-out, bases loaded two-RBI double in the third inning. Air Max Saldi Outlet . The 26-year-old Ireland striker, who has four goals this season, has signed a three-and-a-half year contract with his new club. http://www.airmaxshoponlineitalia.it/scontate-max-270-outlet.html .C. -- After a listless first half, the Washington Wizards used a big third quarter run to beat the Charlotte Bobcats Bradley Beal scored 21 points and the Wizards used a 17-0 run in the third quarter to take control of what had been a close game and beat the Bobcats 97-83 on Tuesday night. Scarpe Paul George Scontate . The Hall of Fame defenceman told Landsberg that he believes fighting still has a place in todays game, but thinks staged fighting needs be outlawed. Vapormax Scarpe In Offerta .Y. - Nelson Mandela will be honoured by the New York Yankees with a plaque in Monument Park. RIO DE JANEIRO -- Music is a central part of Brazilian culture, and many of the countrys stars performed during in the opening ceremony of the 2016 Olympic Games in Rio de Janeiro. A look at some of the artists and internationally famous songs that fans heard opening night of the games:AQUELE ABRACO (That Embrace)This is Rio de Janeiros anthem. It was used during the closing ceremony of the London 2012 Games, as well. The song was composed by Grammy Award winner Gilberto Gil. In it, Gil sends hugs to different folks from all over Rio, in that way embracing the city and viewers worldwide. Aquele Abraco kicked off Fridays ceremony.GILBERTO GILGil, 74, is a Grammy Award winner originally from Salvador in the northeastern state of Bahia. He is one of the main faces of the musical movement called Tropicalia, which consists of international and traditionally Brazilian sounds.Gil was recently hospitalized for kidney problems, and in the weeks leading up to the ceremony there was some doubt whether he would be able to perform. His appearance on stage Friday was both a celebration and relief for millions of fans.CAETANO VELOSOVeloso, 73, is the founder of Tropicalia and also Grammy Award winner. Just like Gil, his best friend, Veloso was in exile in London during Brazils military dictatorship (1964-1985). The two internationally acclaimed musicians performed together in the ceremony finale with Anitta, a 23-year-old Rio resident and funk singer known for her sensual voice and Shakira-like dancing skills.The three sang Isto aqui o que e?or What is this here? The song was composed by Joao Gilberto, considered one of the founders of bossa nova, a mixture of jazz and samba that is also known in the United States as Brazilian jazz.SONG CONSTRUCAO (Construction Song)The song, composed by internationally acclaimed Chico Buarque, is considered one of the most ingenious in Brazilian Portuguese. All the verses have a stress on the two syllables before the last. The lyrics tell the story of a builder who dies by falling from a building. Like many Brazilian songs, it also includes a love tale in the middle.ddddddddddddAROTA DE IPANEMA (The Girl From Ipanema)Antonio Carlos Jobim wrote the song as a tribute for a girl he fell in love with as she left Ipanema Beach, one of Rio de Janeiros iconic areas. The end result is a tune that is arguably Brazils most recognizable song internationally.On Friday night, it was performed in part by Jobims grandson, Daniel Jobim, while supermodel Gisele Bundchen walked on stage.The actual girl the song was written for, Helo Pinheiro, is now 71.MC SOFFIAThe 12-year-old sensation is from the slums of Sao Paulo, Brazils economic capital. She said before the ceremony that she hoped that American pop icon Beyonce would watch her perform. The pre-teen, who is black, has also become an activist for empowering black women.JORGE BENBen, 71, is considered the soul of Brazilian funk music. Pais Tropical, or Tropical Country, is one of his most popular songs, frequently played in bars and on the radio. He performed the song on Friday night, garnering strong applause from the crowd. He is seen by Rio residents as a symbol of coolness.LUDIMILLAFormerly known as MC Beyonce, Ludimilla is a pop singer of funk melody. Ludimilla first became famous in 2012. In the opening ceremony, she sang So quero ser feliz,or I just want to be happy, a song from popular group Rap Brasil. The song is considered an anthem for residents of Rios hundreds of slums, often controlled by drug traffickers and ravaged by violence.ELZA SOARESKnown as the queen of samba, Soares is still performing at 79 years old. For decades, she had the most notable voice in Brazilian samba.ZECA PAGODINHOPagodinho, 57, is seen by many Brazilians as an icon of coolness. Despite his fame, he lives a simple life outside Rio, partying a lot playing samba music for friends.MARCELO D2Marcelo D2, a 48-year-old hip hop singer, rose to fame in the 1990s with the band Planet Hemp. He has been arrested a handful of times for protesting in support of legalizing marijuana. ' ' '