GLASGOW -- For the first time all year, and all across the tennis map, Juan Martin del Potros resurgence might not even be the most interesting comeback story in town.What has even greater rarity value than Great Britain winning the Davis Cup? Answer: Britain flipping a tie in their favour by coming back from 0-2 down. In more than a century of competing in the Davis Cup, Britain have only ever overturned such a deficit twice: against Germany in 1930 and when playing Russia in 2013.By comparison, Britain have been champions on many more occasions -- they have won 10 titles, though there was an uncommonly long wait between the ninth and 10th titles with that 79-year stretch from 1936 to 2015.If Andy Murrays Britain are to reach a second successive final -- to play France or Croatia in November -- they are going to have to flip another tie. Having trailed 0-2 after the opening day of this semifinal against Del Potros Argentina, Andy and Jamie Murray needed to win Saturdays doubles rubber to avoid elimination, but having done that, it still leaves Sundays singles rubbers.While Murray ought to win the first of those -- whether he plays Guido Pella or an understudy -- theres much less certainty about whether Britain could also take a decisive fifth rubber given that Del Potro is scheduled to be playing that match.Over the summer, the 2009 US Open champion has re-established himself in the tennis elite by winning a silver medal at the Olympics and making the quarterfinals at Flushing Meadows, and he played some astonishing tennis on Friday to defeat Andy Murray in a match that spanned five sets, five hours and dozens of emotions.But Del Potro cant be in the best physical shape as, rather than resting after Fridays adventures, he chose to play in Saturdays doubles match, which meant he was out on the match court for a further three hours. Thats nine sets and eight hours so far, while Evans, should he be selected, would be fresh.There is the intriguing possibility that Del Potro wont appear for the singles, after he made these remarks after the doubles: I have to be smart. I want to play for more years, not just for more match.Despite those comments, it would be astonishing if he didnt feature if the tie is still alive in the fifth rubber. Should Del Potro not play on Sunday, the decision for him to appear in the doubles would look even more absurd. The doubles match was the best possible scenario for Britain -- they won, and tired Del Potro out.Theres quite the difference in height between Del Potro and Evans: 9 inches. But Evans, who is 5 feet 9, certainly wouldnt be intimidated by the thought of having to play Del Potro, who is 6-6.These past few months have seen Evans play some of the best tennis of his life, with a run to the third round of Wimbledon, and also the same stage of the US Open, where he came within a point of beating Stan Wawrinka, the eventual champion, before losing in five. Del Potro, by contrast, lost his match with Wawrinka -- which came in the last eight -- in four sets.Also note how it was Evans who won the decisive fifth rubber against Russia in Coventry three years ago, though plainly theres a difference between playing Evgeny Donskoy in the Euro-African Zone and trying to take down Del Potro, a former Grand Slam champion, when theres a place in the Davis Cup final on the line.Maybe Leon Smith, the British captain, will stick with his original nomination of Edmund. After all, Edmund was the one who supplied a couple of singles victories in the quarterfinal victory over Serbia in Belgrade (while Murray was there, he was a noncombatant, with the tie coming the weekend after he had won Wimbledon).Like Evans, Edmund had an encouraging US Open, where he beat Richard Gasquet and John Isner on the way to the fourth round, where he was stopped by Novak Djokovic. Ivan Barbashev Jersey . -- The Missouri Tigers might not have a roster full of superstars. Brian Sutter Jersey . -- Jonathan Drouin gave Halifax the boost it needed to edge host Sherbrooke Phoenix 3-2 in a shootout in Quebec Major Junior Hockey League action. http://www.nhlbluesauthority.com/authentic-robert-thomas-blues-jersey/ . The Cleveland Indians, Tampa Bay Rays, and Texas Rangers all won on Sunday meaning the Rangers will host the Rays in a play-in game on Monday. Pierre Turgeon Jersey . -- Tony Stewart is 20 pounds lighter and has a titanium rod in his surgically repaired right leg. 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