Fiorentina have completed the signings of midfielder Rafal Wolski and defender Marvin Compper.

Wolski, 20, who arrives from Legia Warsaw for an undisclosed fee, has put pen to paper a four-and-a-half-year contract with the Serie A outfit.

Meanwhile, Compper has signed a three-and-a-half-year deal after leaving Hoffenheim.

Compper, 27, has been capped once by Germany at senior international level.