By Nick Georgandis
February 10 - Serbia's Viktor Troicki, currently ranked No. 39 in the world, turns 27. Troicki has been ranked as high as No. 12 in his lifetime and has one career title, the 2010 Kremlin Cup. He won the deciding match in Serbia's 2010 Davis Cup title over France and reached the fourth round at Wimbledon in 2012.
Sergei Bubka - Currently ranked No. 192, Ukraine's Sergei Bubka turns 26. Bubka, the son of legendary Russian pole valuter Sergey Bubka, has been ranked as high as No. 142.
Feburary 11 - Two-time Grand Slam singles winner Budge Patty turns 89. Patty won the French Open and Wimbledon singles titles in 1950, along with the Wimbledon doubles crown in 1957 and the French Open mixed doubles title in 1946. He was ranked No. 1 in the world in 1950 and inducted into the International Tennis Hall of Fame in 1977.
February 12 - Former No. 1 Juan Carlos Ferrero turns 33. Ferrero won 16 career titles including the 2003 French Open, and reached No. 1 in the world in September 2003. He was also the runner-up at the US Open in 2003.
February 14 - Former world No. 3 Manula Maleeva turns 46. Maleeva won the 1984 mixed doubles crown in 1984, and reached the US Open semifinals in singles pay in 1992 and 1993. Overall, she won 19 singles titles and four doubles crowns. The mixed doubles Slam came alongside American Tom Gullikson.
February 16 - Seventeen-time Grand Slam winner John McEnroe turns 54. The outspoken American won seven singles Grand Slams, nine doubles and one in mixed doubles in his 15-year career, 104 total titles. Known for his on-court tirades and infamous "You cannot be serious?" outburst, McEnroe was inducted into the International Tennis Hall of Fame in 1999, and continues to be one of the most popular and well-known faces on the ATP tour as he plays exhibitions against other retired players, appears as an analyst on both NBC and the Tennis Channel and plays WTT tennis regularly.