MADRID (Reuters) - Nairo Quintana effectively clinched his first Tour of Spain title after holding off Chris Froome in Saturday’s decisive mountain stage. The Colombian has not officially won the race yet but Sunday’s sprint stage is virtually a formality and the Movistar rider’s time of five hours 23 minutes 44 seconds, which enabled him to finish 10th in stage 20, kept him ahead of Team Sky's Froome. The Briton had cut his deficit on Colombian Quintana after a sensational display in Friday's individual time trial, but was unable to dethrone his rival on the 193. ... More...