TIDBITS ON THE TOP 50
http://www.atpworldtour.com/News/Tennis/2013/12/51/2013-Players-Nuggets-Nadal-Djokovic.aspx(I listed the ones most talked about, and of course, some of my personal favorites to watch).
NADAL, Rafael (1) Ranked in the Top 5 the longest of any active player (since 9 May 2005) and owns 60 career titles, second-best among active players (Federer, 77).
BERDYCH, Tomas (7) The Czech Republic No. 1 finished in Top 10 for fourth year in a row and helped his country to win the Davis Cup title.
DJOKOVIC, Novak (2) Only player to finish in the Top 3 for the past seven years. He has won the most titles (25) and matches (219; avg 73) in the past three years.
FEDERER, Roger (6) Has 923 career match wins, fourth-most in Open Era, and has finished in the Top 10 for past 12 years.
FERRER, David (3) Finished in the Top 5 past three years (along with Djokovic, Nadal, Murray).
HAAS, Tommy (12) The No. 1 German has won ATP World Tour titles in three different decades and finished No. 12, his highest since 2007.
MURRAY, Andy (4) Finished in the Top 4 for the past six years, joining Nadal (9) and Djokovic (7). Ranked No. 2 for 17 weeks in 2013 (21 overall in career).
RAONIC, Milos (11) Top Canadian became first player born in 1990s to break into the Top 10 and has reached 10 ATP World Tour finals (5-5), the youngest player to accomplish this feat. He has averaged 40.3 match wins past three seasons (best of any player outside the Top 10).
SOUSA, Joao (49) First Portuguese player to win an ATP World Tour singles title and finish in Top 50 (at No. 49).