Saturday 21 January 2017 13:14, UK
Eight-time Grand Slam winner Andre Agassi believes Andy Murray still has room for improvement despite his rise to world No 1.
The Scot, 29, is favourite to claim his first Australian Open title after six-time winner Novak Djokovic was knocked out in the second round on Thursday by world No 117 Denis Istomin.
Murray, the top seed, takes on Germany's Mischa Zverev in the fourth round on Sunday and Agassi thinks the three-time Grand Slam winner and two-time Olympic champion still has his best days ahead of him.
The 46-year-old American said: "He's very impressive. I've always talked about Andy as a person that has never really realised his maximum potential.
"He's so good at certain things it almost makes him a bit indecisive. It almost makes him not to bring his strengths to the table as much as he could.
"If he actually minimised his defensive skills by just five per cent, he might actually be a better player.
"My expectation is he is only going to get better. It looks like he's strong. It looks like he's fit. It looks like he knows how to invest in himself."
Agassi won five Grand Slams after his 29th birthday, he is also tipping Djokovic to return to top form in the near future.
He added: "What I can speak to is Novak's game and his abilities and there's no reason in the world why he can't turn it around.
"Novak won't need to learn in as hard a way as I had to learn. He still has time, and he's a heck of an athlete.
"In my opinion one of the greats of all time, so I give him a high chance coming back in a hurry."
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