The 2017 season was an exciting time in men's tennis, with Rafael Nadal and Roger Federer turning back the clock, and Grigor Dimitrov and Alexander Zverev making strong cases that their time is now. But with Novak Djokovic, Andy Murray, Stan Wawrinka, Milos Raonic and Kei Nishikori are all set to return to full health in 2018, things could be changing pretty soon.

With that in mind, Tennis Channel's Tracy Austin, Lindsay Davenport and Paul Annacone all sat down to give their thoughts on who might be 2018's breakout stars and who will be the Player of the Year:

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To sum things up, Annacone believes Andrey Rublev will make a splash, and Djokovic would be the year's best player. Given that he was one of the few analysts that saw Roger Federer's big 2017 coming, you should take Annacone's predictions seriously.

Austin, meanwhile, thinks that Nick Kyrgios will take the next step in 2018. She noted that he has defeated almost every top player in the world, and it's clear he has the talent. Her Player of the Year pick was Nadal, who she feels will be in better physical condition than Federer because of their respective ages.

And as for Davenport, the three-time Grand Slam champion said that Frances Tiafoe will be the year's breakout player and Djokovic will be the game's best.

What are your thoughts on these thoughts?