RIO DE JANEIRO -- Hes back. Hes back among the greats. Six months after his return to the circuit, Juan Martin del Potro reminded everyone in Rio de Janeiro that he belongs among the very best.The former world No. 4 and 2009 US Open winner made it clear that after several wrist surgeries he belongs in the top 10 when healthy. He managed to defeat Novak Djokovic and Rafael Nadal at the Rio Olympics, becoming the only Argentine tennis player to win two Olympic medals.One month before turning 28, the extremely powerful Tower of Tandil made the podium once again in his second Olympic appearance. He took the bronze medal in London 2012, and this time, he won silver, stopped only by Andy Murray in the final match.Gabriela Sabatini was the first of Argentinas tennis players to step on an Olympic podium; her silver was followed by three bronze medals by the country (Javier Frana and Christian Miniussi in doubles at Barcelona in 1992 and then by Paola Suarez and Patricia Tarabini in doubles at Athens in 2004).To the surprise of almost everyone, del Potro reached his 26th final in a tournament where he drew a tough opening match against Djokovic. Del Potro later showed authority and character in overcoming Nadal in the semifinals. Del Potro has been back for six months, and hes already challenging the tennis elite.With his massive serve and forehand, plus a backhand that is slowly starting to regain strength, del Potro showed great mental strength to prevail in the most challenging circumstances. This was his first final in 2? years (Sydney, 2014).Del Potro is now a seasoned player, hardened by the impact of his four wrist surgeries and the threat of early retirement. Hes mature enough to fully appreciate the Olympic environment. Hes no longer that kid who surprised the world by defeating the very best to win the US Open. Hes now showed another side of his personality by sharing celebrations with his fans, and even embracing some of them as he did after beating Nadal on Saturday.It became increasingly clear that del Potros No. 141 ranking is a poor indication of his ability. Its a shame, really, that the Olympics dont give ranking points, because with his great performance, he could have made up a lot of ground.But if he goes on playing like this, del Potro will soon improve his ranking. He will, because he is one of the greats, and not just physically. It was not by chance that he crushed Nadal in the 2009 US Open semifinals and then overcame Roger Federer to win his only Grand Slam final two days later.Its not by some quirk of fate that del Potro has managed 37 wins against top 10 contenders. Before Djokovic and Nadal in Rio, del Potro took out Stan Wawrinka, the world No. 5, at Wimbledon. This explains why del Potro is so greatly respected by all his rivals.A month ago, del Potro returned to Davis Cup -- after almost four years -- to provide a key point in doubles. Theres a big semifinal coming in Glasgow a month from now against Murrays Great Britain team, the reigning Davis Cup champions. So del Potros performance in Rio was crucial toward building up his confidence.Im living a dream once again, del Potro said in Rio on Sunday.And what he did was the stuff of dreams. He was awarded a silver medal, but his achievements were truly golden. Yovani Gallardo Jersey . The return match will take place next Wednesday. 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Discount Brewers Jerseys .ca NFL Power Rankings, overtaking the Denver Broncos and remaining ahead of NFC competition San Francisco, Carolina and New Orleans. NASCAR mulled three choices on which rules package it would use at Michigan International Speedway this weekend.It could have gone with the current 2016 aerodynamic package, which would give valuable data on how the 2016 package performed vs. the proposed 2017 rules, which were run at Michigan in June. But with NASCAR already believing it would make the changes for 2017, there was little reason for this additional data.NASCAR, though, is thinking about tweaking its proposed 2017 rules to help address the two main complaints -- too much front downforce when balanced with the rear downforce, and too little sideforce that made the cars turbulent when side-by-side.But then NASCAR decided the other option -- run the exact same specifications as in June one more time -- would work best so teams could build on what they learned in the races at Michigan in June and Kentucky in July. The specifications reduce the amount of downforce and sideforce that has been the trend for NASCAR the past couple of years.NASCAR reduced downforce by about 900 pounds for this year, with a target of 1,800. The teams have gotten back a few hundred, and NASCAR hopes the new package will have 1,600 pounds of downforce. Thats down from 3,500 a couple years ago. Side forces could be reduced by 125 pounds.Some of the teams said that they might want to do a little tweak [to the rules] but at the same time they said this depends on mechanical grip so much, we still have some things we havent tried, NASCAR senior vice president Gene Stefanyshyn said. So we believe going to Michigan will give us that last piece of information.NASCAR would like to get the 2017 rules package to the teams sometime in the next four weeks. Not only does that give the teams time to start building cars, but it also gives NASCAR a chance to work with Goodyear on deciding what tires will work the best at each track.Goodyear will bring the same tire it brought to Michigan for the June race. NASCAR already has tentatively set a test for Martinsville once the rules package is confirmed.You get into the corner with the car that already doesnt drive good and now youre putting it in a vulnerable position, said Joey Logano, who won the Michigan race in June. Its a good thing. Dont get me wrong. Thats what we need.We need crazy interesting stuff. ... We have more crashes because theyre really hard to drive and its hard to make the moves, and guys are getting loose underneath each other or tight and sliding up..ddddddddddddThe package reduces the spoiler from 3.5 inches high and 61 inches long to 2.5 inches high and 53 inches long, and adds a deck lid fin. It also has decreased the surface area of the front splitter that sits underneath the car by about three inches. NASCAR also will eliminate any rear skew -- the angle of the rear housing that helps cars turn and create side force.At a track such as Michigan, the drivers enter the corner with these changes a little bit faster but have to reduce speed by more than 10 mph to drive through the turns. Drivers have wanted less corner speed, which not only allows more passing but also could decrease the harshness of a crash in the corner.Both the 2-mile Michigan and recently repaved and reconfigured 1.5-mile Kentucky have been challenging tracks for NASCAR to have good races, at times having one primary fast groove and with cars getting strung out.Id love to see [this package] on a short track, said six-time Sprint Cup champion Jimmie Johnson. Id love to see it on [another] 1.5-mile before we make a decision and move on. But the truth of the matter is we dont have that luxury, especially when we get into the Chase.The teams have told NASCAR that they do not want to test the 2017 package during the Chase, that they have spent the season developing the current package and cant afford that new twist.NASCAR agrees, and just like a year ago, it wont make changes for the final 10 races of the season.Its cool that you can run closer to the back bumper of somebody, but there must be a lot less sideforce because now when youre next to somebody, its a handful, said Kyle Larson, who likely needs a win in the next three races to make the Chase. I wish we could take this package somewhere thats got a better surface.Michigan is already pretty narrow, Kentucky with the brand new repave definitely was one lane. ... I know Chicago is in the Chase, but Chicago would be the perfect place. It would be cool to see what its like where youre not really running on somebodys door because the lanes are so narrow because I think the racing would be that much better.One thing drivers do expect: chaos on restarts.I expect there be lots of wrecks on restarts, Larson said. Its always sketchy there no matter what package we take to Michigan on restarts. Especially that last race there, it was a handful. Wholesale Stitched Jerseys Wholesale Jerseys Free Shipping Wholesale NFL Autographed Jerseys Cheap Authentic Jerseys Cheap Jerseys From China Stitched NFL Jerseys Wholesale Nike NFL Jerseys ' ' '