Barcelona welcome Valencia to the Nou Camp on Sunday - live on Sky Sports 3 HD from 7.15pm - looking to get their La Liga title challenge back on track.Luis Enriques side have lost three of their last four matches in all competitions, exiting the Champions League to Atletico Madrid and seeing their lead at the top of the table cut to one point after defeats to Real Sociedad and Real Madrid.They remain favourites in the league and face Sevilla in the Copa del Rey final, and while Real Madrid kept the pressure on in La Liga with a 5-1 victory over Getafe on Saturday, Enrique believes his side will put their difficult run behind them when Valencia come calling. We have to lift ourselves up and focus on what we have ahead of us, he told reporters. And that means two very attractive competitions that we are still involved in.We have to forget the past. It wont be easy, and we are going to need the fans support more than ever. Its at difficult times like these that we need them most.The players are fine, theyre fully recovered. Of course the disappointment has been hard to swallow, but theyre professionals. Theres still a lot to look forward to. Not many teams can say that they have won the league and cup double two years in a row. Lionel Messi was largely on the periphery as Barca lost to Atletico Madrid in the Champions League Theres a world ahead of us - six league games. We need to perform well, avoid making mistakes, be effective and play good football. This is not our best spell of the season, and we just have to accept that.Aside from recent injuries to Rafinha, Jeremy Mathieu and Thomas Vermaelen, Enrique can choose from a full squad. Luis Enrique took full responsibility for Barcelonas Champions League defeat Meanwhile, Valencia are coming off an impressive 2-1 victory over Sevilla and head coach Pako Ayestaran believes his side have an opportunity against Sundays opponents.Well try to make sure that their possession is not so high, but we know that we will spend a long time without the ball and we have to know how to manage those moments, he said. Heres how Barcelona lost against Real Sociedad last time out in La Liga It is an opportunity, not a risk. The mental factor always has an influence. With Barcelona it is always tough, but it is important that we continue to grow from the line we have marked out for ourselves.There are aspects that you adapt depending on the opposition, but we are clear about the team are going and where we are growing. Cheap Adidas Hockey Jerseys . 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A knee to the thigh might have stung him the most, but his sixth straight double-double made up for the brief burst of pain.GREEN BAY, Wis. -- It appears?Jordy Nelson will go into the regular season without any preseason action.?The Green Bay Packers receiver said Sunday that he doesnt expect to play in Thursdays preseason finale at Kansas City. If thats the case, he will head into the regular-season opener at Jacksonville on Sept. 11 without a single game rep since he tore the ACL in his right knee more than a year ago.Nelson, who was activated off the physically unable to perform list on Aug. 17, went through pregame warm-ups before each of the last two preseason games but then watched from the sidelines in street clothes.I think if everything wouldve gone smooth coming into camp, we wouldve been in a different situation, said Nelson, who had a setback with his left knee shortly before training camp. But its the situation were in, and I think weve handled it well. Were where we need to be. We have two weeks of what most likely for me will be normal practices going into Jacksonville, and I think well be ready to go.In practice last week, Nelson did only selected individual drills. In fact, he called his first outing?hardly even a practice.The intensity should ramp up this week. Nelson said he expected to do some team (11-on-11) drills in practice on Monday and Tuesday even if its just running scout-team reps with Aaron Rodgerrs and the rest of the starters who arent expected to play.ddddddddddddIts important for Jordy to get a ton of work this week with Aaron, Packers?coach Mike?McCarthy said. Thats really the focus. I feel very good about where he is. Its just reps and just the coordination with the concepts that were preparing to do. But I think Jordy looks great.Holding Nelson out of the preseason finale isnt only a precautionary move. Given that Rodgers and the rest of the starters arent expected to play against the Chiefs, McCarthy?wouldnt send Nelson out with the backups.Obviously, I havent practiced a full practice, Nelson said. So thats part of it. If I were to go this week -- which, I havent been told Im not, I would assume Im not -- I might be the only one going this week. That might be the other reason.Nelson last played in a game on Aug. 23, 2015, when he tore the ACL in his right knee. He sat out the entire offseason with his eye on being cleared for the start of training camp. That didnt happen because Nelson sustained an injury to his left knee while working out over the summer. So far, hes had only two official practices plus two other light workouts that were closed to the public. ' ' '