The current contract Centrobek expires at the end of the season, while in the services of Stefan interested in several serious clubs.
Nevertheless, as the sports director of the "eagles" Igli Tare, the parties are close to the new agreement.
"Everything goes great, so soon you will have positive information," Tare said in an interview with Sky Sport Italia.
"So far, nothing has been signed on paper, but good news is waiting for you," said Iglis talks with de Vries.
On the eve of the 25-year-old Beck helped Lazio beat Nice (1: 0) and go into the playoffs of the Europa League.