Manchester United have completed the signing of midfielder Casemiro for £60million rising to £70m.
The 30-year-old has signed a four-year contract with the option of an additional year.
Casemiro was paraded on the Old Trafford pitch ahead of United's Premier League visit of Liverpool.
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United great Roy Keane, pitchside on punditry duty, greeted Casemiro and shared an embrace with the five-times Champions League winner.
Casemiro said: "The opportunity to start a new challenge at Manchester United and in the Premier League is extremely exciting. I have worked with many great managers in my career and, having met with Erik and heard his ideas, I can’t wait to work closely with him, his staff and my new teammates in the coming years.
“I’m ending one beautiful journey in Madrid whilst starting another in Manchester as determined as ever to win football matches, win trophies and make our fans proud by bringing success to this great club.
“Everybody knows the history of Manchester United, the significance of the club around the world and what it means to its supporters. To represent United is an honour and I am ready to give everything to help the team achieve our ambitions.”
The United football director John Murtough added: “Casemiro is a serial winner and one of the best midfielders in world football; his exceptional record speaks for itself.
"He complements the skillsets of the squad and will be a great addition to the dressing room with his experience, knowledge and character.
"I know that Casemiro remains as determined as ever to be successful on the pitch and we look forward seeing that happen in a Manchester United shirt."
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