Odsonne Edouard that he needs to step up his work rate if he wants to reach the top level of the game. The former Celtic youth player couldn't believe what he was seeing when watching Neil Lennon's men capitulate to an under-strength Sparta side.
The Czech outfit were without some key players because of Covid-19 but they ran over the top of Celtic who struggled to impose themselves.
Ferry reckons there are players at the club who have stopped playing and says only summer signing Diego Laxalt is putting the required effort in.
He told Go Radio: "The only one who tries to win the ball back when they give it away is Laxalt. "You can see it, I can see it.
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