RIO DE JANEIRO -- His focus seemingly unflappable, Shakur Stevenson was briefly distracted when he heard a familiar voice as he walked out for his Olympic bout.Augie! Augie!Floyd Mayweather Jr. was in the house and shouting at U.S. boxing assistant coach Augie Sanchez.Stevenson had been bummed out when he was told Mayweather had left the Rio de Janeiro Games. Turned out, the rumor was false and one of Stevensons biggest fans had the best seat in the arena to watch the top U.S. prospect continue his medal run.I got a little more nervous again, Stevenson said.Stevenson, who is from Newark, New Jersey, calmed his nerves and made a lasting impression on Mayweather with a convincing win over Mongolian fighter Tsendbaatar Erdenebat. The retired, undefeated Mayweather went wild for the 19-year-old Stevenson in a unanimous decision victory that guaranteed him a medal.And why not? Mayweather saw Stevenson fight with a style in the ring that reminded him of another great fighter.I see the next Floyd Mayweather, Mayweather said. If anybody can break my records, this young kid right here can do it. I truly believe in him.Mayweather believed in Stevenson (24-0 in international competition) so much that he expected more than gold for Stevenson -- Money May wanted the prized prospect on his blossoming Mayweather Promotions roster. Of course, hell have to compete with other promoters to grab the best U.S. amateur.When I saw him at my gym, I said, `Who is this guy? I want to sign him instantly, Mayweather said. I thought he was a professional. They said he was an amateur but hes got a professional style. Hes the No. 1 guy, of course, that Im interested in.All eyes were on Mayweather more than any fighter in the ring.Mayweather is still the undisputed top attraction at the boxing tournament in what was at least his third visit to the venue. The U.S. bronze medalist at the 1996 Atlanta Games smiled when he was shown and introduced on the big screen to a roaring ovation. Dozens of fans hurried his way for selfies. He never removed the earbuds attached to his mobile phone when he posed for a few fans.They were quickly shooed away and blocked off by members of Mayweathers friends known as TMT: The Money Team.Mayweather invited Popo Freitas, a former Brazilian boxing world champion, down to his seat for a quick chat.Mayweather enjoyed the fights, first from the front row of the corner of the bleacher seats, then he moved to dead center for the two American bouts.The 39-year-old Mayweather retired last year after a 49-0 career. The International Boxing Association (AIBA) changed its rules this year to allow professionals to fight at the Olympics, but Mayweather had no interest.He also ruled out a comeback.Im an old man, he said, laughing. Im treating my body good, being smart. I was still able to compete at the top level for 20 years. Ive done a lot in boxing. I just want to give back to young champions right here.Stevenson (wearing a Team Shakur shirt) and some friends and family joined Mayweather in the stands and posed for even more pictures.But Mayweathers A-list pull might not be enough to convince Stevenson to join the team. Stevenson is widely expected to sign a professional contract in the fall with Top Rank Boxing.Stevensons grandfather, Wali Moses, began teaching him how to box when he was 5, and he has barely lost since he won his first fight at 8. Stevensons mother, Malikah, named him after Tupac Shakur, the rapper and social activist who died nine months before her first son was born. Stevenson mostly avoided trouble on Newarks tough streets, and his grandfathers steady influence kept him devoted to his sport.Stevenson remains the brightest candidate to win the first mens gold medal in 12 years from once-proud USA Boxing.Andre Ward was the last American man to claim the top prize with at the 2004 Athens Games, and the London mens team failed to win any medals.Kansas fighter Nico Hernandez snapped the medal drought last week with a bronze.Stevenson has Russian fighter Vladimir Nikitin up next and the winner goes for gold.He was all smiles Tuesday when he had Mayweather by his side as they fought through a mob to escape the arena. Its even better for Mayweather to have his back.Its everything, Stevenson said. Thats the greatest of all time. Wholesale Vapormax 2019 . Three came down to the fourth quarter while quarterbacks continued to shine in all four games; so important to the overall quality of the game. 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OKLAHOMA CITY -- The Latest on a fatal shooting at Oklahoma Citys Will Rogers World Airport (all times local):5:25 p.m.The Oklahoma Medical Examiners Office says a Southwest Airlines employee shot and killed outside of an Oklahoma City airport died from a single gunshot wound to the chest.Office spokeswoman Amy Elliott said Wednesday that 52-year-old Michael Winchesters death was ruled a homicide.Oklahoma City police say the suspect in Tuesdays shooting was 45-year-old Lloyd Dean Buie, a former Southwest Airlines employee who likely shot Winchester in retaliation for circumstances that led to his leaving his job last year.Elliott says Buies death has been ruled a suicide from a single gunshot wound to the head.Southwest Airlines says Buie quit his job last year after he refused to take an alcohol screening.Police say Buie shot and killed Winchester from the fourth floor of a parking garage.---1:20 p.m.The Kansas City Chiefs are rallying around long snapper James Winchester, whose father Michael was killed by a former Southwest Airlines employee outside of an Oklahoma City airport.Chiefs coach Andy Reid said Wednesday that Winchester, who like his father played college football at Oklahoma, has returned to the state to be with his family.Reid says hes not sure if Winchester will be back for Sundays game against Tampa Bay.Chiefs punter Dustin Colquitt says he spoke to Winchester, who told him: Obviously this is a tough time for my family, but I appreciate the thoughts and prayers.Police say a former Southwest Airlines worker shot and killed Michael Winchester on Tuesday in retaliation for something that contributed to the attacker quitting his job with the airline last year. The attacker then killed himself.---12:45 p.m.Southwest Airlines says a former employee who killed one of its current workers outside of an Oklahoma City airport quit his job last year after he refused to take an alcohol screening.Southwest spokeswoman Brandy King says Lloyd Dean Buie was hired as a ramp agent in Kansas City in November in 1999. She says he resigned in April 2015 after he was exhibiting signs and symptoms of being under the influence of alcohol while at work.King says the victim in Tuesdays shooting, Michael Winchester, was a ramp supervisor and had worked for the airline for 29 years. King declined to say if Winchester was involved in the encounter that led to Buies resignation or to describe on-the-job interactions between the men.She says the airline is focused on supporting Winchesters family and other Southwest employeees following the shooting.dddddddddddd---10:05 a.m.Police say a man who fatally shot a Southwest Airlines employee outside of Oklahoma Citys airport likely did so in retaliation for circumstances that led to the attacker leaving his job with the airline last year.Capt. Paco Balderrama identified the shooter as Lloyd Dean Buie, of Oklahoma City.He says Buie resigned from Southwest Airlines in April 2015 and that investigators believe he shot and killed 52-year-old Michael Winchester on Tuesday in retaliation for circumstances that led to Buie leaving the job.Balderrama says he doesnt know what Buie did for Southwest or why he resigned. He says Winchester was not Buies immediate supervisor.Buie was found dead of a self-inflicted gunshot wound shortly after Tuesday afternoons shooting.---6:40 a.m.Flights are operating normally at Oklahoma Citys Will Rogers World Airport, where a Southwest Airlines employee was fatally shot Tuesday afternoon.Airport spokeswoman Karen Carney says air traffic control implemented a ground stop after the shooting of 52-year-old Michael Winchester. The ground stop was lifted at about 6 p.m. Tuesday and flight operations resumed, though 25 flights were canceled because of the incident.Fifteen of the canceled flights were operated by Southwest Airlines. The companys CEO, Gary Kelly, said on Twitter that the airline will do everything we can to support Mikes family.Oklahoma City police have not released the name of the suspected shooter, who was found dead inside a pickup truck from an apparently self-inflicted gunshot wound.---12:01 a.m.Oklahoma City police investigators are trying to figure out why a man waited to gun down an airline employee outside Will Rogers World Airport in an ambush that prompted authorities to shut down the states busiest airport for hours.Police Capt. Paco Balderrama says the suspected shooter was found dead inside a pickup truck on Tuesday from an apparently self-inflicted gunshot wound. They believe he watched airport employees come and go before shooting and killing 52-year-old Michael Winchester, a Southwest Airlines employee.Balderrama said late Tuesday that investigators hadnt positively identified the shooter, but that the man apparently knew Winchesters schedule and routine and that the two men likely knew one another.The 1 p.m. shooting set off a scramble at the airport, with police immediately closing the sprawling complex. ' ' '