"All the staff here wish him well," Eriksson told City's website.
"I think it's a good choice and of course he's big all over the football world Kevin Keegan because of what he did as a player and as a manager.
"He's very, very big in Newcastle too, and he's been there before and he knows what it's all about, so good luck to him and well done.
"He has experience and is a good manager. I know him personally and like him very much."