He almost changed his style because of Cristiano Ronaldo scoring so many goals - Rafael reveals how Wayne Rooney had to adapt at Manchester United
Cristiano Ronaldo: Are Man Utd being helped or hindered by Portugal legend? - BBC Sport
Cristiano Ronaldo Returns to Manchester United - The New York Times
The Evolution of Cristiano Ronaldo's Position and Role
Cristiano Ronaldo went from 'scrawny' Man Utd wonderkid to 'middleweight boxer overnight' following 2006 World Cup – The US Sun
Cristiano Ronaldo's return to Manchester United a double-edged sword for Ole Gunnar Solskjaer - BBC Sport
Cristiano Ronaldo: How his playing style has evolved since Man Utd days
Cristiano Ronaldo's evolution: Could he really play beyond the age of 40?, Football News
Ronaldo returns to Man Utd: Premier League awa
How Cristiano Ronaldo has changed since Man Utd 2009 - AS USA
Cristiano Ronaldo completes Man Utd medical ahead of return to former club, Football News
Cristiano Ronaldo accuses Manchester United of betrayal - The Japan Times
Ronaldo setting a bad example at Man Utd, claims ex-Red Devil Ince