'It's a slightly different mentality,' says Andy Murray ahead of US Open - video

Andy Murray says that winning the tournament isn't realistic, as he prepares to get underway at the US Open against Australian James Duckworth. Murray is unseeded in a Grand Slam for the first time in 12 years and has slumped to 378 in the world rankings as he continues his return from a persistent hip problem that eventually required surgery in January of this year Flushing Meadows holds great memories for Murray - it was the scene of his first Grand Slam title back in 2012