In his press conference yesterday, the Ibrox club's boss expressed his surprise that the men from across the city didn't attempt to go for broke against Stuttgart and score more goals to try and overturn the first leg deficit.

He also raised the dilemma Martin O'Neill faces in picking his goalkeeper for the game, which irked the Celtic boss.

Ferguson, who has had two spells as Rangers captain and one as interim manager, says it was always in his nature to show more respect to your opponent.

“Every time I came up against Celtic, you have to respect your opponent,” Ferguson told Go Radio.

“That’s just the way I was brought up, and I always did it. I think if you go in and don’t respect your opponent, then you are in for one almighty fall.”

Following Luke McCowan's assertion that no other team in Scotland comes close to Celtic on their day, Rohl said: “When you see their line-up from Thursday night, I expect some changes. It’s normal that they try to use the full squad.

“But I was a little bit surprised after 1-0...