Former top-25 player Taylor Dent is retiring from professional tennis. The 29-year-old American was one of a handful of current pros with a serve-and-volley style. Once ranked as high as 21st, Dent had three back operations in 2006 and 2007 that derailed his career, then made a comeback and climbed back into the top 100 in 2009. In a statement released Monday by his agent, Dent says he wants to stay active in the sport and "explore opportunities ... that my full tournament scheduled never allowed." He went 12-19 this season, and is ranked 85th. Read more: http://sports.espn.go.com/sports/tennis/news/story?id=5780748
