Former England international, Ledley King, has named Cristiano Ronaldo as his best-ever opponent, when compared to the likes of Zinedine Zidane, and Ronaldinho. King played for only one club, Tottenham Hotspur, throughout his professional career. The Englishman also played 21 times for the England national team before hanging up his boots in 2012. King believes Ronaldo was the better of the three superstars he came against during his active days. He told talkSPORT, “I think when it’s all said and done, it’s Cristiano Ronaldo. But Zidane was up there, I played against Ronaldinho. “There were so…