Robert Lewandowski signed a four-year contract with Barcelona for 50 million euro.
As part of Barcelona's tour of the US, he joined his teammates in Miami.
I'm here!" I'm happy to be at Barcelona.
The last few days have been very long, but the deal is done and I can focus on a new challenge.
I would love to play for the big clubs.
I'm here to help Barcelona get back to the top and win more titles.
After his departure from the club, he joined the team on a free transfer and had a clause in his contract that allowed him to leave at any time.
He scored 50 goals in 46 games as he helped win the title for the 10th year in a row.
He has won the league in all but one of his eight seasons at the German club.
Raphinha is the fourth new signing of the summer for Barcelona, with the Brazilian joining in a deal worth up to £55m.
A contract extension has been signed by Ousmane Dembele.
On our dedicated page, you can find all the latest football transfers.