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.
Unpredictability was the common theme as another season comes to a close. But in the end, a familiar face ruled the field again.
When Serena Williams is fit and focused, she can't be beat -- as we saw in a demolition of Simona Halep in the championship of the WTA Finals, giving the world No. 1 a three-peat at this prestigious event.
After humiliating loss to Simona Halep earlier this week, world No. 1 Serena Williams has one thing on her mind for the championship of the WTA Finals: revenge.
Serena Williams should consider herself lucky for still hanging around, but sometimes things just work out.
Simona Halep has risen quickly in 2014, and she's maybe saved her best for last with a thrashing of Serena Williams in the WTA Finals, writes Greg Garber.
Few players have been scrutinized more than Caroline Wozniacki, but it's time we cut the Dane some slack.
Serena Williams is no stranger to doubt and drama, but the good news is that she wouldn't have it any other way.