Get the United transfer latest, team news, match updates and analysis delivered straight to your inbox every day for free Cristiano Ronaldo once cost Sir Alex Ferguson £400 after the legendary manager had bet the Portuguese international that he wouldn't score 15 goals in a season, which he duly delivered on after coasting to the target by February in 2016.
The previous season, he had managed nine goals in 33 Premier League notching up seven assists which led to the tactician posing the objective to the then-21-year-old.
By December 2006, Ronaldo had already netted 13 goals with six months of the season already remaining, including three successive braces against Aston Villa, Wigan and Reading.
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