The Brazilian midfielder left Real Madrid after a glorious spell at the club.
Toni Kroos has admitted he didn’t expect Casemiro to leave Real Madrid for Manchester United.
The Red Devils secured Casemiro’s services after a £60m transfer last week. The move ended the midfielder’s nine-year spell at Santiago Bernabeu.
Casemiro formed an iconic partnership with Luka Modric and Kroos at the heart of Real Madrid’s midfield.
However, he decided to take on a new challenge after winning his fifth Champions League title with the Blancos last season.
Speaking on his podcast, Kroos said (via SportsMax): “The decision surprised me to do that. He has made the decision for himself to do something new again.
“He’s 30 and knows for sure that he won’t need to do that in two or three years. There were more and more reports, it somehow got hotter.
“In the beginning, I would not have expected it at all, I thought it was just a rumour at first. But there are one or two newspapers here that are a bit better informed.
“As more and more people reported and talked about details, I was awake at three or four o’clock at night when I was sick. Then I just wrote to him [asking] if he would really leave me alone.”