Andre Agassi "marvels" at modern fitness levels

Former Tennis star Andre Agassi waves to the crowd during an exhibition match on July 10, 2011
© AP Photos
Andre Agassi says that players in the modern era of tennis are "much better athletes" than when he played.

Eight-time Grand Slam champion Andre Agassi has admitted that tennis players are fitter now than in his days as a professional.

The 42-year-old, whose game was based on wearing opponents down, believes that the intensity of matches in the modern era has died somewhat, but says that he is taken aback by the physical capabilities of players nowadays.

"I marvel at [their endurance], first of all," Agassi told "When I played, my whole game was based on playing with that sense of urgency and to force guys to be ballistic out there, to treat a marathon like a sprint.

"I had more or less four hours in me before I knew I was running on borrowed time physically. That's four hours of me running other people, you know.

"So to watch them do it, they're more calculated now, they play slower, so six hours is not the same six hours that I played. But they're also much better athletes."

Agassi won four Australian Open titles and will award the trophy to the winner following Sunday morning's final.

Team GB's Andy Murray celebrates his Mens Singles gold at London 2012 on August 5, 2012
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