Simon Kjaer joined Atalanta on a one-year loan from Sevilla.

The move comes after the club cancelled Martin Skrtel's contract after 24 days due to his difficulty adjusting to Gian Piero Gasperini's tactics.

"He said that at his age, he had trouble playing in a three-man defence which is understandable. He arrived after we had started training, and he had difficulties. It was difficult for him to adapt to our style of play, which is understandable," said Gasperini.