Valtteri Bottas says Williams has a big challenge on its hands if the team is going to beat Force India at this weekends United States Grand Prix.The Finn was sixth quickest and just 0.1s behind Nico Hulkenberg in the opening practice session, before Bottas and Williams teammate Felipe Massa fell outside the top 10 in the afternoon, over half a second slower than both Force India drivers.Force India definitively seems very competitive here, Bottas said. Its going to be a big challenge for us if we want to compete with them -- thats how it feels at the moment, but theres still a long weekend to go.Williams currently trails Force India by 10 points in the battle over fourth place in the constructors standings, and while the Grove-based team rarely shows its true pace on Fridays, Bottas conceded that Williams encountered balance issues in both sessions at the Circuit of the Americas.In the morning, with the soft compound, it was the best it was all day, by far, but in the afternoon the in-corner balance was not quite together, some entry issues, some snap oversteer in mid-corner and then understeer so we have some work to do.In the afternoon, as soon as we went out, we started to struggle with the balance of the car. I dont know, its difficult to say much because the wind direction is going to change completely for tomorrow so whatever we were doing today, things will be different tomorrow.A number of drivers struggled to stay on circuit in both sessions in Austin, including the likes of Renaults Jolyon Palmer who spun twice, and Toro Rossos Carlos Sainz, who ended FP2 going backwards in the gravel in the twisty first sector.When asked if track conditions were particularly difficult on Friday, Bottas replied: I think today was tricky with the wind. The first sector was good with the headwind but there was quite a bit of gusty tailwind and it was a bit of a problem.He added: But tomorrow its going to be different, the wind direction will change 180 degrees, so it will make a difference in terms of balance and how the car feels, so whatever we do with the set-up it will be tricky tomorrow.Marshall Faulk Jersey . He said Tuesday thats a big reason why he is now the new coach of the Tennessee Titans. 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Peter Gammons, an analyst for Major League Baseballs network and website, drew the ire of hockey fans on Sunday when he criticized the two NHL teams on Twitter for their physical game the night before.Diego Simeone has known tough times in management, but success with Atletico Madrid has made him one of the most respected coaches in the world. After seeing him steer his club past Barcelona and into the Champions League semi-finals, Adam Bate and Terry Gibson look at what the future might hold...November 2008. Guadalajara, Mexico. Radamel Falcaos goal had put River Plate two up on the night and ahead on aggregate. But there followed an all too familiar second-half collapse and by full time River were out of the Copa Sudamericana. A season in tatters. Simeone in River Plates Estadio Monumental during his time in charge of the club For coach Diego Simeone, it was the last hope gone. Hed already been left beleaguered by the teams domestic form but this ended any thoughts of salvation. He has told us that, as of Sunday, he will no longer be coach, River director Rodolfo Cuina confirmed afterwards. The club had won the Clausura in June but the autumn had been miserable. An 11-game winless streak that included a home defeat to great rivals Boca Juniors left River bottom and would eventually - given the complex nature of the leagues format - see them relegated.None of which, more than seven years on, should detract too much from Simeones capabilities as a coach. After all, hed already established his credentials in winning an historic title with Estudiantes let alone the achievements in his early days at River. Simeone: We never give up Diego Simeone hailed Atletico Madrids battling spirit after they reached the Champions League semis But it is a reminder that Simeone is not immune to failure. For all our obsession with the cult of the manager, these figures are dependent on the vagaries of form, fitness and fortune. Its only Atletico Madrid, his home away from home, thats brought Simeone sustained success.There was Europa League glory and an improbable La Liga title; a Champions League final that took Atletico within moments of the impossible. For Sky Sports La Liga expert Terry Gibson, a long-time admirer of Simeone, its at the Calderon that the stars have aligned. How Spain reacted to Barca loss We round up the reaction of the Spanish press to Atleticos Champions League victory It was his seventh job in seven years, Gibson tells Sky Sports. But what hes done at Atletico, hes learnt from the other jobs hes had and now hes the finished article. If he wanted to leave Atletico, Im sure every club would be keen on getting him.And yet, it is Antonio Conte, the manager of the Italy national team, who has been appointed as the next Chelsea boss, while Manchester United appear content to contemplate the relative merits of Jose Mourinho and Ryan Giggs, should Louis van Gaal fail to deliver a top-four finish.Meanwhile, Simeone can look forward to a Champions League semi-final after seeing off defending champions Barcelona and his Atletico are arguably the best organised team in world football. Europes toughest team? Atletico Madrid showed the power of their team spirit v Barcelona Hes taken on two giants off European football and hes often won, adds Gibson.dddddddddddd. Hes taken Atletico from a team that was drifting along and a side which had ideas above their station to one which is going toe to toe with Barcelona and Real Madrid.His reputation has been questionable at times but its done him a favour up against Real Madrid and Barcelona, with his siege mentality and win-at-all-costs thinking. Atletico werent one of the strongest teams when he took over and he had to do it his own way. Simeone has fashioned Atletico Madrid into one of the toughest teams around But what is the Simeone way? The man himself has suggested in the past that any ideas must be fluid. You cant have a favourite formation for the simple fact that, as managers, we have to adapt not to what we would like, but to what we have to work with, he explained.In the world of holistic approaches and philosophies delivered to order, this all sounds more Jose Mourinho than Pep Guardiola and thats reflected in his style. Perhaps its not in fashion elsewhere, but importantly for Atletico, it works for them. His teams will always be hard to break down and organised from the back, says Gibson. I know his style of football isnt always attractive on the eye but hes intelligent enough to adapt to whatevers needed at another club and still retain the essence of a Simeone team.One way hes able to achieve that is by retaining full control. Hes not just the manager of the team, he manages everything at Atletico Madrid, adds Gibson. He has power over the signings, over the supporters who adore him, and hes absolutely in charge of the club.Its not been like that for 20 years at Atletico, the presidents always had the power. They made a big decision bringing him in and theyve given him, over the last three or four years, the power to run the football club. He wont get that anywhere else. Simeone has a strong relationship with his players at Atletico Madrid There are the suggestions hes learning English and the reports of a release clause in the four-year contract that runs until the summer of 2020. Whats clear is that his exit would be mourned at Atleti, where hes a hero as a player and coach.Walking away will not be easy. If he was to decide to leave Atletico, it would only be his decision, says Gibson. Atletico would keep him forever. Its a situation he must enjoy.He gets paid well and theyre competing against the best in La Liga and the Champions League. The new stadium isnt too far away, as well. That may convince him to stay a little longer. As long as the club match his ambition, I think hell stay. As long as the club match his ambition, I think hell stay. Terry Gibson on Diego Simeone That wont be a straightforward decision once the suitors do come calling. But having seen the Manchester United job threaten to chew up Louis van Gaal, it wouldnt be illogical either.Maybe thats something to remember as his Atletico Madrid team dream of Champions League glory. And maybe those memories of Guadalajara - of how hard this job can be and how hard hes worked to get it right in the Spanish capital - will inform his next move too.Also See:How Spain reacted to Barca lossEuropes toughest team? [hes worked to get it right in the Spani'