Anything less than a Grand Slam title from Kei Nishikori this season would be a disappointment, Greg Garber writes.
The world No. 1 Novak Djokovic proved his worth in 2014, as did a certain aging Swiss stalwart.
Roger Federer withdrew from the ATP World Tour Finals, but the question must be asked: How much of this is Davis Cup related?
Roger Federer needed a miracle against Stan Wawrinka, and that's exactly what he received to reach the World Tour Finals championship match.
Safe to say, not even Novak Djokovic could have imagined he would dominate Stan Wawrinka the way he did at the World Tour Finals.
While Roger Federer rolled to an opening-day win at the ATP World Tour Finals, Andy Murray was equally unimpressive.
There are new faces at the year-end ATP championship, but Novak Djokovic comes to London on a roll and is looking to hold on to the world No. 1 ranking.
Not only did Milos Raonic beat Roger Federer in Paris, but he also qualified for the year-end championships. All in a day's work.
Don't look now, but here comes Andy Murray, who has officially qualified for the year-end championships in London.
Drama is on tap at the Paris Masters, which features a six-man fight for the four remaining spots in the year-end ATP championships.
Remember back in the day when we thought Roger Federer was washed up? Silly us. Suddenly, he's the player to beat on tour ... again.
A 100-1 long shot to win the US Open? Someone forgot to tell that to Marin Cilic.
Austrian whippersnapper Dominic Thiem showed why he could be tennis' future.
Sounds crazy, but a 19-year-old kid with one ATP-level win this year took out the No. 1 player in the land, Rafa Nadal, writes Greg Garber.
Ernests Gulbis has dedicated himself to being a professional, sailed up the rankings and is having fun doing it, writes Greg Garber.
He was the man in Australia, but Stan Wawrinka flamed out in Paris, falling in four sets to Guillermo Garcia-Lopez.