Mikael Silvestre has insisted that former Manchester United teammate Cristiano Ronaldo has “raised and raised” the bar in his legendary playing career. Sir Alex Ferguson brought Cristiano Ronaldo to Old Trafford in 2003 after he signed the Manchester United legend from Portuguese side Sporting CP. Cristiano Ronaldo shot to superstardom during his first spell at Old Trafford and lifted the first of his five Ballon d’Or awards at the Red Devils. During his time under Sir Alex Ferguson, the former United superstar lifted three Premier League titles, a Champions League, two League Cups and an FA C…