On this day: Manchester United accept £80m Cristiano Ronaldo fee - Sports Mole
On this day: Man Utd accept Real Madrid offer for Cristiano Ronaldo - BBC Sport
On this day in 2009: Man Utd accept Real's £80m offer for Cristiano Ronaldo
Cristiano Ronaldo could become football's first £100million player with Manchester United and Paris Saint-Germain interested — how record transfer fees have evolved
Cristiano Ronaldo transfer: Real Madrid agree £80 million fee with Manchester United
On this day in 2009: Man Utd accept world-record £80m bid for Cristiano Ronaldo
Manchester United Eye £65m Cristiano Ronaldo Bid
Michel Platini and Gerry Sutcliffe hit out at Ronaldo transfer fee, Cristiano Ronaldo
How much did it cost Manchester United to buy Cristiano Ronaldo from Sporting? Transfer deal explained