WASHINGTON -- Tiger Woods is not sure whether his ailing back will allow him to play in the Masters, which is two weeks away. "For Augusta, its actually still a little too soon, to be honest with you," Woods said Monday at a news conference to announce that Quicken Loans is the new title sponsor of his golf tournament. "Thats kind of the frustrating thing about this." The Masters is the only major tournament the 38-year-old Woods has never missed. Four of his 14 major championships came at Augusta National, including his first in 1997. He last won the green jacket in 2005. This years Masters is April 10-13. Woods is off to the worst start of his 18 years on tour, and hes been troubled lately by back problems. He stopped playing in the final round at the Honda Classic on March 2 because of what he called back spasms and pain in his lower back. He tried to defend his title the following week at Doral, only for his back to flare up again in the final round, when he shot a 78, the highest Sunday score of his PGA Tour career and his first closing round without a birdie. Then last week, Woods withdrew from the Arnold Palmer Invitational because of persistent back pain. "Ive had a couple weeks off and getting treatment and just working on trying to get ready for Augusta," Woods said Monday. "As of right now, its still too soon, which is, as I said, pretty frustrating." This has been the longest sustained problem Woods has had with his lower back. He first showed signs of back pain at Bethpage Black at The Barclays in 2012, which he attributed to a soft bed at his hotel. He felt twinges during the final round of the PGA Championship last year, and when his back bothered him in the final round of The Barclays two weeks later, he said it was unrelated. At Mondays news conference, Woods discussed a deal through 2017 for his tournament to be called the Quicken Loans National. It will be played June 26-29 at Congressional this year. AT&T was in the final year of its contract as sponsor. The AT&T National began in 2007 with a military theme built around the Fourth of July in the nations capital. It has been held at Congressional for all but two years, in 2010 and 2011, as the course prepared to host the U.S. Open. In those years, it was played at Aronimink outside Philadelphia. Congressional is under contract through 2014, and Woods said there will be a vote next week to determine whether the club would host every other year in 2016, 2018 and 2020. Cam Newton Jersey . 5 Trade Deadline is drawing closer and teams will be deciding on whether to buy or sell while figuring out which players can make the biggest difference and hold the greatest value. Cameron Artis-Payne Jersey . 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Sharapova had a much easier time earlier in the day with cooler conditions and took full advantage in 6-1, 7-6 (8-6) win over Frenchwoman Alize Cornet, while Radwanska had to rally for a 5-7, 6-2, 6-2 victory over Russian Anastasia Pavlyuchenkova.HOUSTON -- Not everything was bigger in Texas on a hot and humid weekend in which a pair of small IndyCar teams claimed the commemorative cowboy boots from the Grand Prix of Houston. Sam Schmidts drivers went 1-2 on Sunday for the first time in team history as Simon Pagenaud grabbed the win and led rookie teammate Mikhail Aleshin to the checkered flag. Pagenaud used the win, his second of the season, to climb back into the championship race. He came to Houston trailing Will Power by 91 points, and cut it to 59 after the two races. "Its fantastic for the race team and the entire organization," said Pagenaud, who admitted after the race to feeling "a little faint" from temperatures that soared into the 90s. "The whole team has elevated to top team level." Aleshin, the first Russian to compete in IndyCar, was a career-best second for his first podium and said a tire problem nearly prevented him from making it to the finish. "Its definitely an amazing day for the team," he said. "We are one of the fastest cars on the track and I think we did an amazing job today. The whole team did an amazing job." Third went to rookie Jack Hawksworth, his first career podium. It capped a breakthrough weekend for the British driver, who finished a career-best sixth Saturday. "Its been rough this year, weve been fast sometimes and just not quite made it happen," said Hawksworth. "Weve not quite put it together and today we did." A day earlier, Dale Coyne Racing scored its first win of the year with rookie Carlos Huertas. The rookie led a Colombian sweep of the rain-soaked podium alongside countrymen Juan Pablo Montoya and rookie Carlos Munoz. It was a race Pagenaud thought he should have won. He spent the previous week training in California for the heat and humidity, and won the pole for the first race of the doubleheader. His race was ruined, though, first by a spin and then when he was collected in Scott Dixons crash. He finished 16th in the first race. "I was so disappointed Saturday because we had such a fast car this weekend," he said. Power, the points leader, rallied from another poor qualifyying effort to put himself in position for a third-place finish.dddddddddddd But he failed to make it to the finish line when a part broke on his car two laps from the finish. Pagenaud, Aleshin and Power had peeled away from the pack, leaving Hawksworth behind for a spirited battle to hold on for fourth-place. Then Power went off course and fell to 11th. Still, he entered the weekend with a 39 point lead in the standings and that was unchanged. Hoping to close ground on Power this weekend was Team Penske teammate Helio Castroneves, who was ninth Saturday but started from the pole on Sunday looking for a win. Instead, he was chasing Pagenaud from second for the lead early in the race when he drove into Sebastien Bourdais. Castroneves had been setting up his pass of Pagenaud and apparently didnt see Bourdais when he suddenly tried to cut into the same lane as Bourdais. Castroneves wound up 21st. "I was attacking and trying to pass Pagenaud, and I had no idea (Bourdais) was there," Castroneves said. "When I am attacking, I cant have my eyes on the back. Its absolutely ridiculous why the guy had to put the car over there. Its the rules of traffic, when a guy hits a guy in the back, its his fault. I am upset, yes, because we had a great car and its just a shame to have drivers like that who do not use common sense." The contact broke Bourdais front wing while he was running third, caused him to fall through the field, but he rallied to finish fifth, behind Charlie Kimball, despite the damage. It marked consecutive top-five finishes for the first time this season for Bourdais. "He changed lanes and we made pretty heavy contact," Bourdais said of Castroneves move. "That busted my front wing pretty good. After that it was a tough fight. I had to be really creative to compensate for the balance of the car." Huertas, winner Saturday, and Munoz, who finished third on Saturday, both failed to finish on Sunday and were the first two cars out. It was a topsy-turvy weekend like that in which Munoz was the only driver from the big three teams -- Andretti Autosport, Chip Ganassi Racing and Team Penske -- to earn a podium. 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