PHILADELPHIA -- Philadelphia 76ers national anthem singer Sevyn Streeter said she was told by the team she could not perform because of her We Matter jersey.She was scheduled to sing before the Sixers season opener against the Oklahoma City Thunder, but said in an interview with The Associated Press late Wednesday she was told she would not sing just minutes before her performance.Id say two minutes before we were about to walk out ... the organization told me that I could not wear my shirt while singing the national anthem at their game, the R&B singer said by phone. I was never given any kind of dress code. I was never asked beforehand to show my wardrobe.The Sixers declined to say why Streeters performance was canceled.The Philadelphia 76ers organization encourages meaningful actions to drive social change. We use our games to bring people together, to build trust and to strengthen our communities. As we move from symbolic gestures to action, we will continue to leverage our platform to positively impact our community, the Sixers said in a statement.The Sixers had a member of their dance team sing the anthem.Streeter has written songs for Chris Brown, Ariana Grande and other stars. In 2013, she had a Top 40 hit with It Wont Stop, a duet with Brown that reached RIAA gold status.The singer, born Amber Denise Streeter, said she was hurt by the NBA teams actions.I was angry, extremely, extremely angry and disappointed and honestly brought to tears by all of it. It broke my heart, she said. Honestly, I was very excited about being able to perform the national anthem. I was really looking forward to that.This isnt the first time the Sixers were brought into a national anthem controversy. A woman performing the national anthem before an NBA preseason game in Miami did so while kneeling at midcourt.Denasia Lawrence opened her jacket just before she started to sing, revealing a Black Lives Matter shirt, then dropped to her left knee and performed the song. She said it was her way of protesting racial oppression.The anthem issue has been a major topic in sports in recent months, starting with the decision by San Francisco 49ers quarterback Colin Kaepernick to not stand while it is played. Kaepernick cited racial injustice and police brutality among the reasons for his protest, and athletes from many sports -- and many levels, from youth all the way to professional -- have followed his lead in various ways.I also felt it was important to express the ongoing challenges and ongoing injustice we face as a black community within the United States of America -- thats very important to me, Streeter said. 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Ron Brewer Jersey . The move comes after the Canadiens were approached by the Buffalo Sabres for permission to speak to Dudley - a former Sabres player and head coach. "The Sabres called for permission and I appreciate that, Im flattered, Dudley told TSN Hockey Insider Pierre LeBrun of ESPN.Rory McIlroy is targeting a Dubai Desert Classic hat-trick and a third consecutive win in Dubai as he returns to a familiar hunting ground this week. The world No 2 heads to Emirates GC as defending champion after his three-shot win last year, following on from a maiden professional victory at the same venue in 2009.McIlroy is also a two-time winner in Dubai at the DP World Tour Championship, most recently in November to end the year as Race to Dubai champion for the third time in four years, with the Northern Irishman previously referring to the city as being like a second home. The four-time major winner suffered another near-miss at the Desert Swing opener in Abu Dhabi last month, where a tie for third was his fourth top-three finish at the event in the past five years, but feels his game is in better shape heading in to this week. Rory McIlroy returns to Dubai this week as the defending champion Theres a couple little things that I took from Abu Dhabi and worked on last week, McIlroy told a pre-tournament press conference. Hopefully youll see my game just a little bit sharper.Ive just been trying to work a little bit on my putting, trying to get a little more consistent with that.But the ball-strikings right there. With those slight adjustments, another weeks practise, hopefully I can play a bit better than what I did in Abu Dhabi.The game feels good and Im looking forward to getting started. It (Dubai) seems to bring out my best golf. McIlroy king of Dubai? A llook back at McIlroys wins in Dubai I guess the last couple of times Ive played here Ive done pretty well, so Im sort of going for three in a row in Dubai with winning here last year.ddddddddddddMcIlroy begins his title defence alongside Louis Oosthuizen and former Dubai champion Henrik Stenson, who returns to action having pulled out of the Qatar Masters.Stenson underwent knee surgery in December and missed last weeks event to continue his recovery, but features in the event he last won in 2007. Stenson finished in a tie for third at the Desert Swing opener in Abu Dhabi I dont expect to be 100 per cent this week, either, but it should be good enough once again, Stenson said. Its going to be that way for the next couple of months I guess.Its just finding that balance, how much you can do, and just keep on icing it and keep on doing the exercises and eventually youll be out of trouble.It was hard to miss Doha last week. I was ashamed to miss it, but felt like I had to give it a rest last week. I couldnt go straight back into playing 11 days of golf more or less coming out of surgery, so it was the wise decision. Hopefully Im good to go this week and its great to be back.Watch the Dubai Desert Classic throughout the week live on Sky Sports 4 - your home of golf. Live coverage gets underway on Thursday from 4am. Or watch without a contract, from £6.99 with NOW TV Also See: McIlroys record in Dubai Desert Classic Power Rankings Recap: Rorys R2D victory Golf live on Sky Sports 4 ' ' '