AUSTIN, Texas -- Toto Wolff says Mercedes faces a very stressful final three races of the season as it attempts to ensure 100 percent reliability for both its drivers.Nico Rosberg leads teammate Lewis Hamilton by 26 points, with 75 left to play for over the remaining three rounds. Hamiltons campaign has been plagued by reliability issues, including an engine failure while leading the Malaysian Grand Prix last month, but he took his first victory since July at the weekends U.S. Grand Prix.It is very stressful for the guys in the garage because there is a lot of responsibility and pressure on them, and everything that is being said, consciously or unconsciously, puts even more pressure, Wolff said. Thats not the right thing to do. Our job needs to be to take pressure away because responsibility and accountability stays there anyway. This is how these guys work.Hamilton admits he has been haunted by the failure in Malaysia and spent much of Sundays U.S. Grand Prix in fear of a repeat.Every single lap I was thinking something might happen, Hamilton said. When I get on that back straight I was petrified. It [the engine] has a beautiful ring to it, but it had a beautiful ring in Malaysia.I was haunted by that, dreading that would happen so I am so grateful that it didnt. It wasnt until I got over the line that I was like thank you, I am so happy, rubbing the cockpit - thank you for getting me there.Wolff confirmed Mercedes had opted not to pursue an additional upgrade to its engine, meaning Hamilton and Rosberg both have the same spec engine for the rest of the season after the German took a new unit this weekend.We have decided not to bring the latest spec engine and upgrades to every single Mercedes customer, not just us. We are running that specification to what it can run, so that hasnt changed.Asked if there had been any engine worries in Austin, Wolff added: It is never plain sailing. It was as good as it can be with the engine. I understand that Malaysia came out of nowhere and Malaysia swings with all of us. That little trauma is going to remain for a while. Manuel Akanji Dortmund Jersey . The Swede became the first golfer to win the PGA Tours FedEx Cup and European Tours Race to Dubai in the same season. "It is still taking a little time to sink in what Ive achieved this week as was the case when I won the FedEx Cup but then it just kept getting better and better as the days went on and I am sure this will be the same," he said. Julian Weigl Jersey .com) - The game was all punts and field goals before Kodi Whitfields catch. http://www.footballdortmundpro.com/Kids-Dan-Axel-Zagadou-Jersey/ . 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Larry Bird has been trying to mold the Indiana Pacers into a faster, sleeker unit under new coach Nate McMillan.He also knows the value of having a reliable offensive threat in the post to get buckets when the game inevitably slows down, and thats where Al Jefferson comes in.The Pacers agreed to terms with Jefferson on a three-year deal worth $30 million, a person with knowledge of the situation told The Associated Press on Friday. The person spoke on condition of anonymity because the contract cannot be signed until July 7.In a league that has steadily gotten smaller and more versatile, the 31-year-old Jefferson is a throwback to the crafty, dominant post players of Birds era. And Big Al has Celtics green all over his game.Jefferson started his career with Birds old team before being traded to Minnesota, where he was tutored by Birds former teammate and Celtics Hall of Famer Kevin McHale, one of the best post players to ever play. Jefferson has exhibited some of the same trickery and creativity on the block that McHale made famous for those title-winning Celtics teams, and his unique skill set has helped keep him in demand as he has weathered some significant injuries.The 31-year-old missed significant time for the Charlotte Hornets last season with a knee injury and also had to sit out five games for violating the leagues substance abuse policy.He averaged 12.0 points and 6.4 rebounds iin 47 games for the Hornets, who also lost Jeremy Lin in free agency on Friday.ddddddddddddJefferson joined the Hornets three years ago and was named third-team All-NBA in his first season under coach Steve Clifford.He was plagued by foot injures the next two seasons.After the Hornets lost in Game 7 of the first round of the Eastern Conference playoffs, Jefferson said he wanted to return to Charlotte to finish his career.There is nowhere I would rather be, Jefferson said on May 2. The things that we have done with this franchise the last three years have been amazing and I want to continue to see it through. But there is a business side to it, but I would like to end my career here.Clearly things changed when the market opened on Friday. But in a dizzying 12 hours that have seen some eye-popping contracts handed out, paying $10 million per year to a proven low-post scorer whose game should age well was by no means a stretch.The Pacers have already added point guard Jeff Teague and forward Thaddeus Young via trades to bring some of that quickness and versatility that the modern game demands.Now Jefferson will bring some of the muscle and toughness that could prove valuable come playoff time.---AP Sports Writer Steve Reed in Charlotte contributed to this report. ' ' '