David Goffin is one player that can be one of the pillars of future tennis. It's only a matter of time before he polishes his skills to win crucial matches.
Nadal failed to win a major for the first time since his maiden French Open title in 2005, dropping out of the top five in the ATP rankings for the first time in 10 years.
With the unique format at the WTA Finals, it is all about how you finish rather than how you start as new champion Agnieszka Radwanska proved this week.