Ronaldo names former chelsea defender his toughest opponent in his career

​- Ronaldo reveals the toughest defender he has ever faced in his career - The Real Madrid talisman has dominated European football for a decade - Los Blancos will take on Liverpool in the Champions League final in Kiev Real Madrid star Cristiano Ronaldo has revealed former England international Ashley Cole as the toughest defender he has ever faced. While playing under Sir Alex Ferguson at Manchester United, Ronaldo came up against Cole on a regular basis in the early stages of his career Ronaldo joined the Red Devils from Sporting Lisbon in 2003, having impressed in a pre-season friendly played between both sides.the Portuguese star spent six years at United between 2003 and 2009, back when the Premier League trophy was a three horse-race between United, Arsenal and Chelsea. Cole had a successful spell with Arsenal in the 2003/04 season, before the 107-cap England star moved to rivals Chelsea, where he secured league titles in the 2004/05 and 2005/06 seasons, ahead of Ronaldo's United. Speaking to Spanish talk show El Chiringuito TV (via the ​Daily Ma​il), the presenter asked the 33-year-old to name his toughest defensive opponent and Ronaldo pointed his early duels with the Englishman in their early years ***prbxselfnetwork***