Lewis Hamilton has admitted Mercedes may not have fixed the fault that has caused his engine to break down twice in the opening four rounds of the season. Mason Cole Jersey . Ahead of this weekends Spanish GP, Mercedes have described finding a solution to the MGU-H failures which affected Hamiltons car in qualifying in both China and Russia as their highest priority.However, the world champions have been unable to offer Hamilton any guarantees that the problem - described by team boss Toto Wolff as a freak occurrence - will not occur again. The team have explained the issues we have had and the efforts they have made to rectify them, Hamilton told Sky Sports F1. They arent rectified but they are in the process of being rectified. Hopefully this weekend they will be rectified but that might not be the case. Trailing Nico Rosberg by 43 points in the standings, Hamilton has described the deficit as a mountain but insisted he is relishing challenge of trying to catch his team-mate. It is what it is, theres no point being concerned, he said. I have less engines than Nico, so Ive just got to do what l can with what l have. For sure, I have a mountain to climb, but l love a challenge and I am excited about it.Who is under the most pressure this weekend in Spain?The world champion has also vowed he has no concerns about his Mercedes garage crew after the teams decision to swap personnel over the winter coincided with a series of mechanical malfunctions on his car. The issues we have had are nothing to do with the mechanics, said Hamilton. That is not a concern. I have 100 per cent belief in the guys and the team. I am just hoping l have had my share of bad luck.While Hamilton has bore the brunt of Mercedes reliability glitches so far in 2016, Rosberg has reeled off four successive victories to establish a commanding early lead in the Drivers Championship.But, despite his run of wins from the final races of last season now stretching to seven, the German remains unmoved in his belief that nothing is won yet. Ted Kravitz thinks Mercedes have to sort out their mechanical problems at the Spanish GP if Lewis Hamilton is to have any chance of winning the drivers championship Its not difficult to keep the feet on the ground, you just need to look at reality, he said. Lewis is still the same Lewis as the last two years. Hes still just as quick and just as difficult to beat. Thats it.Its a long, long way to go.It wouldnt be good for me to think seven months down the road. The best way for me to try and win Barcelona is to think about Barcelona. And thats my aim, to win Barcelona. Thats the way I like to approach it and its the best approach for me.Rosberg led large parts of the 2014 season before Hamilton eventually overhauled him, but his championship advantage never exceeded 29 points. This time his lead is nearly the equivalent of two race victories but Rosberg, runner-up to Hamilton in each of the last two years, denied suggestions 2016 now presented him with an opportunity of a lifetime to become world champion. Fernando Alonso and Lewis Hamilton react to the news of Daniil Kvyat and Max Verstappens swap Im 30 now and still a young F1 age Id like think, he said. So I dont think that way and have such thoughts.Im just in a great situation which Im enjoying. I have the opportunity to win races - winning is a massive thrill and thats what I race for. [I am] up against some awesome drivers. Up against Lewis and the red guys, Kimi [Raikkonen] and Vettel. Some great battles and it makes it all the more fun when I win races, especially in a straight battle.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: When is the Spanish GP on Sky? Whats different on the cars in Barca? Wholesale Cardinals Jerseys Online . Bibeau, Torontos sixth-round pick at No. 172 overall in last years draft, was named the outstanding goaltender of the 2014 MasterCard Memorial Cup. Adrian Wilson Jersey .J. Ellis hit an RBI single in the ninth inning, Hanley Ramirez hit a tape-measure, three-run homer in the first against Cliff Lee and the Los Angeles Dodgers beat the Philadelphia Phillies 4-3 on Saturday night. http://www.cheapcardinalsjerseyssale.com/?tag=benson-mayowa-jersey-sale . -- Terry Francona likened the atmosphere at Kauffman Stadium on Tuesday to a playoff game in October.TAMPA, Fla. -- Eric Fehr hopes a final-minute victory will jumpstart a positive stretch for the Washington Capitals. Fehr had two goals, including a tiebreaking redirection with 51.5 seconds left in the third period, as the Capitals beat the Tampa Bay Lightning 4-3 on Thursday night. "These are the kind of games that can be momentum builders for you," Fehr said. "It wasnt the prettiest way to win it, but scoring in the last couple of minutes, you could see the excitement on the bench. Hopefully we can carry that into tomorrow." Fehr was positioned in close when he tipped Mike Greens shot past Anders Lindback, helping the Capitals improve to 2-3-3 over their last eight games. Washington plays again Friday night at home against Toronto. Tampa Bay had pulled even at 3 on Ondrej Palats nifty tip-in of Matt Carles shot at 14:30 of the third. Martin St. Louis also assisted on the goal to move past Rick Tocchet into sole possession of 89th place on the NHLs career list with 953 points. The teams switched ends midway through each period due to what was called "poor ice" in the visitors crease. "I think the one crease, I dont know if it was a heating issue or something, but the ice was getting really soft," Tampa Bay coach Jon Cooper said. "There was a thought that it might be a disadvantage in that crease. It didnt have any effect on the game." "You kind of forget which end you were going to for a bit there," Fehr said. Washington also got goals from Mikhail Grabovski and Marcus Johansson. Tyler Johnson and B.J. Crombeen had the other goals for the Lightning. The Capitals won the first meeting this season 6-5 in a shootout on Dec. 10, a game in which Alex Ovechkin had four goals and Nicklas Backstrom contributed a goal and four assists. Justin Pugh Jersey. Ovechkin and Backstrom both had an assist Thursday. Washington took a 3-1 first-period lead, keyed by power-play goals from Grabovski and Johansson. After Grabovski scored on a redirection at 10:37, Johansson made it 3-1 from in close with 12 seconds left in the first. Crombeen stopped a personal 56-game goal drought from the right circle to get Tampa Bay within 3-2 at 6:45 of the second. A potential tying goal by Palat later in the period was disallowed when it was ruled he kicked the puck into the net. Johnson put the Lightning up 1-0 when he lifted a shot over Philipp Grubauer during a breakaway 4:08 into the game. Palat assisted on the goal to set a Tampa Bay rookie record by extending his point streak to eight games. Grubauer finished with 33 saves. Fehr tied it at 1 by beating Anders Lindback from the left circle at 7:04 of the first. Lindback stopped 16 shots, including 10 of 11 over the final two periods. "You hold them to 11 shots the last two periods, and its another one of those situations we had multiple chances to take the lead and we didnt," Cooper said. "We just broke down at the end." NOTES: Cooper believes Lightning star Steven Stamkos can return from a broken right shin in time for next months Olympics. Stamkos is on Canadas Olympic team and has been out since he was injured Nov. 11 at Boston. ... Lightning G Ben Bishop was placed on the injured list because of a sprained right wrist. ... Green assisted on Grabovskis goal for his 200th NHL assist. His assist on Fehrs game-winner was his 300th NHL point... Capitals RW Martin Erat was scratched. ... Tampa Bay D Radko Gudas left after the first period with a lower body injury. 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