 After a loan spell the striker got back into the scoring way against Roma, on 26 February 2012 with a marvelous hat-trick and take his goal tally up to 15 for the season.Denis ended the season as the club's top scorer with 16 goals.In November 2011, the Atalanta director, Pierpaolo Marino, confirmed that Denis will join the club on a permanent deal after the end of the player's loan contract.