Ronaldo: Man Utd return is the best decision I've made
Why Cristiano Ronaldo rejoined Manchester United
Cristiano Ronaldo returns to Man U: CR7 nets twice in first game back with Manchester United
Ronaldo returns to Manchester United: how the deal was done
Cristiano Ronaldo headed to Manchester United in stunning twist
United and Mendes reached a verbal agreement over personal terms for a two-year contract late on Thursday night and by the time most people were waking up on Friday, they had already started negotiating the fee with Juventus.
Equally, Man City, having missed out on Harry Kane, were an option.
Manchester United cruised for the rest of the game against a tiring Newcastle side that allowed Bruno Fernandes all the time he wanted to pick out the corner for a third goal.