Werder Bremen on Friday announced that they had signed 23-year-old Brazilian midfielder Wesley on a four-year deal from Santos, dpa reported.
The Bundesliga club earlier in the week sold German international Mesut Ozil to Real Madrid, but said that the signing of the Brazilian had been planned irrespective of Oezil's departure.
The clubs did not disclose the transfer fee, but Bremen said they had reached an agreement with the Brazilian four weeks ago.
"We needed a lot of patience with the transfer but have been rewarded in the end. Wesley is a dynamic player who can be used in all roles in the midfield," Bremen boss Klaus Allofs said.
Wesley is expected to arrive in Bremen next week, but will not be available for the return leg of the Champions League play-off against Sampdoria Genua next week.
"It has always been my dream to play in a top team in a top league. I am very happy, that I managed to achieve that with Werder Bremen," Wesley was quoted as saying by Werder.