NEW YORK -- In a less-traveled part of the 46-acre Billie Jean King National Tennis Center, an imposing black metal fence offers a reminder of the multiple security worries that come with hosting the U.S. Open.New York Police Department counterterrorism officials insisted that the fence, near a new 8,000-seat grandstand stadium, be reinforced earlier this year with thick strands of cable capable of withstanding a crash from a truck loaded with explosives.A lot of this stuff is off the radar, but it goes back to whats happening in the world, the events security director, Michael Rodriguez, said during a flurry of last-minute preparations for Mondays opening matches.Attacks in Europe and mass shootings in the U.S. have created a climate thats added to vigilance over this years U.S. Open, which already posed daunting security challenges because of its sheer size: 700,000 spectators over two weeks packed into two stadiums, two grandstands and other seating at more than a dozen other tennis courts, all connected by sprawling pedestrian walkways.Officials say they know of no credible threats against a Grand Slam event that happens to end with the mens final on the 15th anniversary of 9/11. But the NYPD, which ordinarily has hundreds of officers in and around the tennis center, plans to increase its presence this year. Thats on top of the tournaments roughly 300 private security guards.Layers of protection include installation of temporary closed-circuit surveillance cameras, including some perched atop the 23,771-seat Arthur Ashe Stadium, along with devices to detect chemical, biological or radiation risks.Ive already warned people theyre going to see it, Rodriguez said of the extra security. And they should feel good about seeing it.Rodriguez, a former NYPD detective sergeant and supervisor for the Joint Terrorism Task Force, said he meets twice a day with representatives from the various local and federal law enforcement agencies monitoring the U.S. Open. Sample topic: the difficulties of drone mitigation.Such widening risks were underscored last year when a small drone crashed into the stands during a match -- it turned out a science teacher lost control of it while flying it in a nearby park -- and in 2014, when an NYPD intelligence analyst told a gathering of private security directors that an al-Qaida online publication encouraged a car-bomb attack on the tournament.Just outside the gates of the tennis center, the NYPD will keep heavily armed officers trained to respond to terror attacks at the ready. As with other with other events like New Years Eve in Times Square, plainclothes officers will mix with the crowds.Other defenses include strict screening checkpoints for the throng of spectators. In the past decade, the U.S. Open became among the first sporting events to prohibit backpacks and use airport-style, walk-through metal detectors instead of less-reliable wands to check people for weapons.The event also has a rigorous inspection system for the more than 1,600 trucks that make deliveries during the event. Drivers are vetted, given a bar code and directed to an inspection point deliberately located a quarter-mile from the tennis center before they can enter the grounds.Last week, United States Tennis Association officials held a meeting at the tennis center with their counterparts from the French Open and other major tournaments to discuss ways to keep spectators safe.Anything can happen, Rodriguez said. The question is, `What are we doing to minimize the risks?With success at hardening the entrances at big tournaments, security directors have turned their attention to deterring threats to the potential target created by fans congregating in the longer lines to get in, said Richard Bower, owner of Bower Events, Inc., a private security firm that consults on the BNP Paribus Open in Indian Wells, California.That event now deploys SWAT and plainclothes officers, along with police dogs, where the lines form.Part of it is about making people approaching the event feel safe, Bower said.Sally Kane, 71, of New Rochelle, one of the many fans to turn out last week for free admission qualifying matches, scoffed at the potential risks.Terrorists dont want to come here, she said. What really bothered her was having to pay to store her metal water bottle -- on a list of banned items -- outside the center.Im very annoyed, Kane said. 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Ronnie Lott Youth Jersey .Y. -- Vancouver Canucks goaltender Roberto Luongo had little trouble picking up his first shutout of the season against a Buffalo Sabres team thats having trouble scoring goals.SAN FRANCISCO -- Two teams being cautious with injured players, getting acquainted with new ones and perhaps still shopping for upgrades, will hook up for a fourth time in four days on Sunday when the Washington Nationals take on the San Francisco Giants.The Nationals have won two of the first three in the battle of National League division leaders, but the Giants are the ones coming off a 5-3 win Saturday.On a day when the Nationals acquired a new closer, the Giants new utility infielder, Eduardo Nunez, was one of the heroes in the win.Nunez, picked up Thursday from Minnesota, collected two hits, including a two-run double that ignited a Giants comeback from an early 3-0 deficit.It helped San Francisco avoid what would have been a fourth straight loss.Thats the reason they brought me here, Nunez boasted. To win games.Nunez started at shortstop in place of Brandon Crawford, who suffered a bruised left hand in Fridays loss.Giants manager Bruce Bochy said he hopes to have Crawford back in the lineup Sunday, which could mean a second position in two days for the versatile Nunez.The Giants figure to have an opening in center field Sunday, with Denard Span likely to miss a second consecutive game because of a strained quad that occurred during a collision at first base in Fridays game.Nunez has played 29 games in the outfield in his seven-year career.The Nationals are hoping new closer Mark Melancon arrives in time for the series finale after having been acquired in a trade with the Piittsburgh Pirates shortly before the start of Saturdays game.ddddddddddddWashington dealt two left-handers -- major-leaguer Felipe Rivero and minor-leaguer Taylor Hearn -- in order to get the All-Star.Even a midgame arrival by Melancon would be fine for the ninth-inning specialist, Nationals manager Dusty Baker assured.Were getting some reinforcements, the veteran skipper proudly declared.Baker wasnt so confident about star second baseman Daniel Murphy after having sat him out of Saturdays game.Murphy felt tightness in his left leg in the cold San Francisco weather during Thursday nights game, then tried to play through it on Friday.He had to be pulled midway through the win, and was given the full game off Saturday.Still being precautionary, Baker said of Murphy.He remains questionable for Sunday.With trade winds swirling around both teams, Bochy and Baker are comforted in knowing theyve got veteran starting pitchers going Sunday.The Giants will go with 12-year veteran Matt Cain, who will be seeking his 100th victory in a San Francisco uniform.Cain has a 5-5 record and 3.64 ERA in 15 career starts against the Nationals.Washington will counter with nine-year veteran Gio Gonzalez, who spent his first four years across the bay from San Francisco with the Oakland Athletics.Gonzalez sports a 3-3 record and 3.33 ERA in nine career starts against the Giants.Cheap JerseysChina NFL Jerseys [urlshenticmlb.com/]Wholesale Baseball Jerseys[/url] ' ' '