September 2: Ten-time Grand Slam champion Jimmy Connors is 60. Connors won eight singles Slams and two in men's doubles during his 24-year career, and is the ATP's all-time winner in tournaments won (109). He spent 268 weeks ranked No. 1 in the world - third-most among men of the Open Era - and finished his career with a winning percentage of 81.8% in singles.

September 4: Former doubles No. 1 Mark Knowles turns 41. Knowles won three Grand Slam titles with Daniel Nestor -- the Australian Open in 2002, the US Open in 2004, and the French Open in 2007. A 2002 finals loss at Wimbledon kept him from winning the career doubles Grand Slam. He won 55 career doubles titles in all. Amazingly, on the same day, Nestor turns 40. Nestor has eight career Grand Slams in men's doubles, completing the career Slam in 2008 by winning Wimbledon. He's won the French Open four times and is currently ranked No. 1 in the world in doubles. He also has a gold medal from the 2000 Olympics in doubles and two mixed doubles Grand Slams, both won at the Australian Open.

September 6: Former World No. 4 Greg Rusedski is 39. The Englishman won 15 singles titles in his career and reached the finals of the US Open in 1997. He currently works as an analyst for the BBC during Wimbledon.

Rusedski's compatriot Tim Henman turns 38. Henman was Britain's perpetual "oh so close" player during his 15-year career, reaching the semifinals of Wimbledon four times, along with the French Open and the US Open once each. He won 11 career singles titles and reached No. 4 in the world.

September 7: Former doubles' No. 1 Pieter Aldrich of South Africa turns 47. Aldrich won the Australian Open and the US Open in 1990 with Danie Visser.

Russia's Vera Zvonareva turns 28. Currently ranked No. 16 in the world, she has been ranked as high as No. 2, reaching the finals of both Wimbledon and the US Open in 2010.

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