New York: His strokes awry, his emotions laid bare for all to see, Roger Federer figured out a way to stay in the US Open. Federer found himself locked in a five-set struggle against the sort of player the world is accustomed to seeing him dismiss with ease, and it was only down the stretch that the four-time defending champion at Flushing Meadows looked the part. Avoiding as big an upset as tennis has seen in a while, Federer came back to beat 23rd-seeded Igor Andreev of Russia 6-7 (5), 7-6 (...