Andy Murray is yet to reach his maximum potential and should only get better but the world number one has not seen the back of Novak Djokovic, according to eight-times grand slam champion Andre Agassi.
World number one Andy Murray could face challenges from Kei Nishikori and Stan Wawrinka if he is to reach a sixth Australian Open final following Friday's draw.
World number ones Andy Murray and Angelique Kerber were named the top seeds on Thursday for next week's Australian Open with organisers aligning with the current rankings.
Novak Djokovic said he did not intentionally hit a ball into the crowd during his Qatar Open final against Andy Murray, an incident which threatened to take the gloss off his victory.
World number one Andy Murray claimed his 26th consecutive victory on Wednesday with a battling 7-6 (8/6), 7-5 win over Austria's Gerald Melzer to reach the Qatar Open quarter-finals.
Andy Murray began 2017 where he left off last year, beating Jeremy Chardy in straight sets in his season opener in Qatar on Tuesday to register his 25th consecutive victory.
Andy Murray was voted the BBC Sports Personality of the Year for a record third time on Sunday despite his wife telling him she was voting for one of his rivals.
Andy Murray could round off his sensational year which has seen him finish as men's tennis world number one and win both Wimbledon and the Olympic title with a historic third BBC Sports Personality of the Year award.
Andy Murray celebrates his rise to the top of the world rankings with a 6-3, 6-2 victory over Marin Cilic as the Scot makes a strong start to his bid to win the ATP Tour Finals.