Star tennis player Serena Williams says she wont be silent about the killing of black men by police officers.Williams wrote on Facebook on Tuesday that she was inspired to speak out after asking her black 18-year-old nephew to drive her to a meeting. Their car traveled past a police officer, and Williams quickly checked to see if he was obliging by the speed limit so as to avoid an interaction with the officer.Williams recalled that horrible video of the woman in the car when a cop shot her boyfriend -- a reference to when Philando Castile was shot by a Minnesota police officer in July -- and said she worried about similar fates for members of her family.Williams also quoted Martin Luther King Jr., saying there comes a time when silence is betrayal, before ending the post with I Wont Be Silent.Williams joins a high-profile group of athletes speaking out about social injustice. 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This should be celebrated because it will not always be this way. With the amount of money given to players by their clubs these days, it is a wonder that so many of those teams allow the sport to continue to take away many of their assets so they can play for a different team in the middle of their season. Nike SB Schweiz Outlet . Spiller left Week 3s 27-20 loss to the New York Jets with a thigh injury, but fully practiced with the team all week and expects to be ready to go on Sunday. NEW YORK -- There is a case to be made that Eddie Alvarez is the greatest lightweight in mixed martial arts history.Within the last 18 months alone, Alvarez has defeated a former Strikeforce champion (Gilbert Melendez), former WEC champion (Anthony Pettis) and current UFC champion (Rafael dos Anjos).When he left Bellator MMA two years ago, Alvarez vacated the promotions lightweight title. In 2012, he knocked out then-DREAM lightweight champion Shinya Aoki in a nontitle fight.As far as beating champions, its arguably one of the best ever, Alvarez said, when asked to reflect on his own résumé.And yet, in the buildup to his title defense against featherweight champion Conor McGregor at UFC 205 on Saturday, Alvarez estimates half the media attention he has received has been a generic, the guy McGregor is fighting kind of interest.Half of these interviews have basically looked at me as Conors opponent, Alvarez said. The other half actually know who I am. The truth is, a large majority of the market, Id guess 80 percent, doesnt know anything more than what they are sold.And right now, theyve been sold a certain product. I havent been it. Conors been it. Hes been what theyre selling -- and a lot of people have bought it.That they have. Heading into UFC 205 at Madison Square Garden, McGregor (20-3) is the hottest-selling item in the history of mixed martial arts.McGregors last three fights, all of which took place in Las Vegas, combined to produce nearly $26 million in gate revenues. The UFC, a private company that does not release pay-per-view numbers, told ESPN.com this year that McGregors two fights against Nate Diaz rank among the top three sellers in company history.Alvarez (28-4) isnt the first to attribute a large portion of this success to the UFCs eagerness to promote McGregor, a fast-talking, hard-hitting Irish star. One criticism of McGregors record is that he benefited from preferential matchmaking on his way to the top.If he wasnt able to sell, he wouldnt have been able to pick his opponents coming up, Alvarez said. He would have fought a wrestler before now. His record wouldnt be what it is and his performances wouldnt have looked the way they did. He never would have gotten a rematch against Nate Diaz.Hes very fortunate to be a good salesman. Hes been granted a lot of favoritism the rest of us havent.UFC president Dana White, however, says the opposite has taken place during McGregors career -- that the UFC has tried, at times, to pull McGregor back from attempting too much, but he doesnt listen.ddddddddddddIts the dumbest thing anybody could ever say, White said. Its like these guys who are still questioning him, Hes had the most perfect handpicked opponents -- its crazy. Jose Aldo is a perfectly picked opponent? Its ridiculous.This kid limped out of the Octagon after his last fight against Nate Diaz and said, I want to be on that New York card. When he said that, I said, Dude, you just came off an absolute five-round war. Im worried about the leg youre limping on. I dont think Im going to do that fight. He said, Let my leg be the last thing youre worried about.The beauty for Alvarez is that he has an opportunity to prove his theory correct in New York. That attitude has existed in Alvarez since he started training as a high school kid in Philadelphia.When Alvarez won his first championship in 2006 as a welterweight for a promotion called BoDog Fight, the UFC was marketing Matt Hughes and Georges St-Pierre as the top fighters in the world.Even then, Alvarez and his original team in Philadelphia felt the only real difference between them and St-Pierre was opportunity.I feel like, if you would have asked us back then, we would have said we were on that level, said Alvarezs former head coach Stephen Haigh. I dont think we ever felt, Oh, because theyre in the UFC, those guys have some special technique.I still kind of hold that same belief. People think that because these guys are fighting on that stage, they must be doing something magical. Its a matter of opportunity. As far as we were ever concerned, we were on that same level, even back then.Despite his accomplishments, Alvarez feels a good half of those watching UFC 205 this weekend will barely see him at first. Theyll be too caught up in McGregor video packages. All those one-liners he has uttered recently, and highlights of knockouts against opponents who werent capable of taking him down.But by the end of the night, Alvarez believes the curtain will have dropped.I think sports is a quest to find out what really is -- not what perceptions are, Alvarez said. The business aspect of this sport is a contradiction to what its really about, and thats knowing something for what it is and not just what it looks like.For this fight, Ill play this role. Well get out and reach the media, but for me, the most important part is knowing whos who and whats what. Thats gonna happen on Nov. 12. ' ' '