Genoa are now in advanced talks with Al-Nassr to sign their Brazil international keeper Bento.
After their 1-1 draw with AC Milan last night, De Rossi was open about Bento's arrival and the blow it will give Leali.
He said, "We'll wait for the official announcement before commenting. Nicola (Leali) knew we'd be looking for another goalkeeper.
"I knew he'd come onto the pitch with this burden on his shoulders, but he's proven to be an excellent goalkeeper. He's had some bad days, he's had injuries, and I'm sorry, but it's such a shameful job, making decisions to improve the squad.
"It was my choice, he accepted, and it was right to tell him, even if it meant seeing him weighed down on the pitch."
