Chris Froome has some ''unfinished business'' when the Spanish Vuelta starts on Saturday. The Kenyan-born British rider enters the grand tour as the undisputed favorite after winning his third Tour de France title, followed by a bronze medal in the individual time trial at the Rio de Janeiro Olympics. ''The Vuelta is a race I really enjoy and where I guess you could say I have unfinished business,'' Froome said. More...