McLeish said: "I don't think anyone could blame Russell for moving on and have a chance to better himself and his family.
"No disrespect to Aberdeen but playing in the Premiership is a great dream for a lot of players. So good luck to him with his move.
"Russell is 28 and that is when you should be reaching your peak. Even when you are having an ordinary game you know you can disguise it with experience. That's what he should be able to do."
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!