Tennis' coaching carousel – David Ferrer has cut ties with his longtime coach, Javier Piles. In June, Ferrer reached a maiden grand slam final at the French Open in Paris. He was beaten by fellow Spaniard Rafael Nadal.
Tennis' coaching carousel – Piles, pictured, once locked a teenaged Ferrer into a room because he was ill disciplined. Ferrer is now one of the hardest workers in tennis. The world No. 3 has now turned to former Spanish pro Jose Altur.
Tennis' coaching carousel – Ferrer isn't the only player to make a coaching change this off-season. Far from it. Novak Djokovic, left, named Boris Becker as his new head coach last week.
Tennis' coaching carousel – After splitting with Jimmy Connors, Maria Sharapova turned to Ana Ivanovic's former coach, Sven Groeneveld. Sharapova is returning to the tour after a shoulder injury.
Tennis' coaching carousel – Michael Chang, left, famously won the French Open as a 17-year-old when he beat Stefan Edberg. He has coached after retiring and it was announced this month that he would be working with Asia's top men's player, Kei Nishikori.
Tennis' coaching carousel – Roger Federer hasn't yet named a replacement for Paul Annacone. But he trained with two-time Wimbledon champion and former No. 1 Edberg at his side this month.
Tennis' coaching carousel – No, Rafael Nadal hasn't parted with his uncle Toni. They've been together since Nadal was a child. On occasion Francisco Roig has filled in for Toni Nadal.
Tennis' coaching carousel – Andy Murray made a coaching change at the end of 2011 and it paid dividends. Adding Ivan Lendl, Murray opened his grand slam account at the 2012 U.S. Open and then won Wimbledon this year.