After signing Bas Dost from VfL Wolfsburg, Sporting Lisbon have moved quickly to capture another Bundesliga forward. Luc Castaignos has completed a move to Lisbon from Eintracht Frankfurt for an undisclosed fee.
The Dutchman has signed a contract until 2019 with the Portuguese club that contains a €60million release clause.
English clubs Aston Villa and Newcastle United had been linked with a move for Castaignos earlier in the summer.