RIO DE JANEIRO -- David Rudisha glanced to his left twice as he came round the final bend, waiting for the challenge to come. It didnt. He didnt let it.The world-record holder surged across the line to retain his Olympic title in the 800 meters on Monday, giving no one else a chance and becoming the first man in more than half a century to win back-to-back titles over two laps at the Summer Games.Rudisha won in 1 minute, 42.15 seconds from Algerias Taoufik Makhloufi, who ran a national record time of 1:42.61 to add an 800 silver here to his gold in the 1,500 at the last Olympics. Clayton Murphy powered through in the final 50 meters for bronze and a PB of 1:42.93, overhauling Frances Pierre-Ambroise Bosse to make the podium.That was the first medal in the 800 for the United States since Johnny Gray in 1992.Rudisha smiled at the end, a broad, beaming smile, relieved maybe after a trying season where he lost a couple of times in the Diamond League and was beaten into third -- third! -- at the Kenyan trials. He freely offered up hugs to the other medalists, too, as he draped the red, black and green Kenyan flag across his shoulders once again.His legacy as one of the greatest 800 runners was pretty firm already, but he cemented it in Rio de Janeiro: The 27-year-old Rudisha has now won four of the last five major titles and the only one missing -- the 2013 worlds -- he was injured for.With no strong challenger coming at him -- not in this race and not in any general sense, either -- Rudisha has the potential to make history with a third straight gold in four years in Tokyo.He wants to be the best, he is the best at it, he knows hes the best, said American Boris Berian, who was eighth. Its that confidence right there. He takes it out and he has that confidence to hold on.This was unlikely to be like Rudishas once-in-a-lifetime run at the London Olympics four years ago, when he broke the world record in a wire-to-wire victory of such pure dominance that it was rated as a run for the ages.Heavy rain in Rio a little earlier Monday night also left Rudisha and the others with a damp track at the Olympic Stadium, and the Kenyan does not like running in the wet.He dealt with it and more, though, taking the lead from a fast-starting Alfred Kipketer, his teammate, on the back straight, building a cushion, and then never looking like he was going to be caught. His two quick looks to the left let him know that he had it.Richard Snell of New Zealand was the last man to retain his Olympic title in the 800, at the 1964 Tokyo Olympics.Some formidable 800 runners, including current IAAF President Sebastian Coe, didnt even win one Olympic title in the event. Coe, an Olympic champion at 1,500, consistently says that Rudisha is one of the best athletes the sport has had.For Rudisha, this victory was absolute confirmation, if he needed it, that hes deserving of such praise from former champions. White Air VaporMax 2018 . The Cincinnati Reds remain perfect with their speedy rookie outfielder in the starting lineup. Cheap Air VaporMax Store .Y. - Free agent outfielder Jacoby Ellsbury, fresh off winning the World Series with Boston, reached agreement with the rival New York Yankees on a seven-year contract worth about $153 million, a person familiar with the negotiations said Tuesday night. http://www.cheapairvapormaxoutlet.com/ . Sgt. Eric ONeal says most of the arrests at Monday nights game were for public drunkenness, though one person was taken into custody on suspicion of trying to steal a seat from the stadium. Grey Air VaporMax On Sale . -- Los Angeles Lakers guard Jordan Farmar will be out for roughly four weeks after tearing his left hamstring. Supply Air VaporMax Shop . Laudrup revealed Thursday he was notified of his dismissal in "the briefest of letters which gave no reasons why such hasty and final action was deemed necessary. MORGANTOWN, W. Va. -- Big 12 commissioner Bob Bowlsby said expansion candidates were disappointed by the leagues decision to remain at 10 members but didnt question the integrity of the process.Bowlsby called the presidents and chancellors of the 11 schools being considered by the Big 12 on Monday afternoon after the leagues board meeting adjourned in Grapevine, Texas.I didnt have anybody tell me that they thought it had been a waste of time, Bowlsby told ESPN.com Saturday before the TCU-West Virginia game. They thought they were treated respectfully, and that was certainly my aspiration. I wanted to keep them informed. I wanted to feel like they had the opportunity to put their best foot forward.I guess you wouldnt call them joyous conversations, but everyone was complimentary in the manner in which they were treated.Bowlsby and Oklahoma president David Boren, chairman of the Big 12s board, announced Monday afternoon that the decision not to expand was unanimous. But sources told ESPNs Brett McMurphy that several Big 12 schools that favored expansion agreed to form a united front after it became clear that no candidate would receive eight of 10 votes necessary to enter the conference.After the Big 12 announced in July it would be considering candidates for expansion, 19 schools expressed interest before the list was trimmed to 11, which made presentations to Bowlsby in Texas. Bowlsby said the process had to be public and transparent because the Big 12 wasnt actively seeking candidates but instead accepting interest from the ooutside.ddddddddddddIf anything, there was a feeling among candidate institutions that, If that institution is going to get involved, then why not us? Bowlsby said. So we might have ended up with a few more options than I might have originally expected.The Big 12 presidents didnt vote on individual expansion candidates Monday. The meeting adjourned earlier than many expected, but Bowlsby said he had briefed the presidents enough before and that six hours of discussion was enough to reach a decision.There were a number of presidents and chancellors who wanted to hear the discussion in the room, Bowlsby said. I thought that there was some possibility that we would add [members], but Im not shocked that it came out the way that it did, either.Despite the 15-month process, which featured several contradictory statements from Boren, Bowlsby said the leagues presidents are more committed to the leagues long-term future than ever. The Big 12 in June announced record revenue distributions, but Bowlsby said the leagues long-term viability hinges on winning.Were going to do everything we can to keep pace, Bowlsby said, but Im not sure anybodys drawn a direct correlation between how much you spend and how much success you have. Were going to try to use our resources as thoughtfully as we can, and we have a lot of good coaches and a lot of good athletes. We just need to play at the highest levels. And we have. 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