F1 drivers are under pressure to perform every time they get behind the wheel of their cars but some are undoubtedly more in need of a strong result than others at this weekend’s Spanish GP. Amid the backdrop of Max Verstappen and Daniil Kvyat trading Red Bull places, and Nico Rosberg leaving Lewis Hamilton and Sebastian Vettel trailing in the world title battle, we asked some of the Sky Sports F1 team to pick the drivers who they feel are under the most pressure at Barcelona… TED KRAVITZHalf the grid is under severe pressure. From Daniil Kvyat, to show that Red Bull were wrong to drop him. From Jolyon Palmer, to see off the pressure from Esteban Ocon. From Lewis Hamilton, to get his championship going again. And to Sebastian Vettel because Sergio Marchionne, the Ferrari president, says he expects a win here.When is the Spanish GP and how can you watch it on Sky SportsBut the biggest pressure has to be on Max Verstappen. Red Bull have caused the disruption by changing their driver line-up and now they need the justification - and its up to Verstappen to deliver on that. Its his first weekend with a new team and new engineers, so I would say that is the biggest pressure of the weekend right there on his young shoulders. DAVID CROFTThere are 22 drivers under pressure this weekend.You cant say one is under more pressure, really, because of the environment of F1: everybody has to beat their team-mate, to produce the goods, and justify why theyre in that seat.At Renault, Jolyon Palmer is under pressure to have a really good race on a track he knows well. Kevin Magnussen knows it equally as well and can make life difficult for Jolyon.Obviously, Daniil Kvyat will be looking for a good result to boost his confidence and to put it into the back of Helmut Markos mind he could still be the man for the top team. Max Verstappen has also got to deliver now he has been promoted, while Daniel Ricciardo has got a third different team-mate at the senior team so hell be under pressure too to prove he is still the numero uno there.Spanish GP talking points Then theres Lewis Hamilton, who is under pressure because he needs a good result. But hes not driving badly, so hell continue doing what hes been doing.So the man under the most pressure is Nico Rosberg because hes the guy who is leading the championship. He is the hunted, everybody else are the hunters. Hes got a 43-point lead to defend at a race track where hell be confident of a successful weekend.The guy under the most pressure is always the one whos leading the championship - but dont discount the individual pressures that are on the other 21 drivers as well. SIMON LAZENBYIts Daniil Kvyat who is under the most pressure.Altruism and Formula 1 dont often go hand in hand and my impression, in this cut-throat world, is that Max Verstappen wouldnt have lost much sleep over whats gone on - but Kvyat is probably not particularly well rested.Whats different on the cars in BarcelonaHes certainly under pressure now. Hes probably been lying awake at night thinking about his future because hes been put in a very difficult position.Watch the Spanish GP live on Sky Sports F1. The race starts at 1pm on Sunday, with build-up underway at 11.30am. Or watch the race without a contract for £6.99 on NOW TV. Also See: Spanish GP talking points Whats different on the cars in Barca Dragan Bender Jersey . Scott Kazmir allowed four hits in seven shutout innings, Michael Brantley hit a two-run homer in a three-run first inning and the Indians maintained their hold on an AL wild-card spot with a 4-1 win over the Houston Astros on Saturday night. Alex Len Jersey . 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Fresh from her semi-final win over Nozomi Okohura of Japan at the Rio Olympics on Thursday, Indias PV Sindhu said she would give my heart out to win the gold.Talking to reporters in Rio, Sindhu said: I hope I will give my best tomorrow as well. First time in the Olympics and also playing the finals tomorrow is a very great feeling. Just one more match to go and I am very, very focused. Let us hope for the best.About the semi-final victory, she said the match was not as easy as the scores indicated. The rallies were not easy...because each rally was going very long, she said.Asked how she managed to transform her game at the Olympics after some poor results earlier in the year, Sindhu said: I have worked really hard...everyones aim is to get a medal at the OOlympics and even my aim is that.ddddddddddddCoach Pullela Gopichand said it was a very proud moment. What is remarkable is not only the playing part but also, like today, the finishing part, he said. She raced towards the end and then when she got there, she just got stronger and stronger.Before the semis, Sindhu had defeated world No. 2 Wang Yihan of China in straight games. Now, world No. 1 Carolina Marin awaits her in the final.It is going to be a good match, Gopichand said. Maybe Marin holds an edge in terms of the record, but it doesnt really matter. It is a big match and Sindhu has to stay her course and execute the plan. ' ' '