“THE OLD FIRM DERBY WAS MAD – THE REF GOT HIT BY A COIN AND I ASKED, ‘IS THIS NORMAL HERE?’”

You joined Rangers in April 1999 after two spells in Germany – how did you find the switch to Scottish football?

Moving to Rangers from Wolfsburg was very exciting, because I got a chance to play in the Champions League and win league titles. At the time we had a really strong squad of internationals, with top players from places like Argentina and France.

Which Old Firm matches stand out?

I remember the game when we clinched the title, a month after I arrived. We won 3-0 at Celtic Park and the atmosphere was insane. At one point the referee, Hugh Dallas, got hit by a coin and his head was bleeding. I asked a team-mate, “Is this normal? Is this how the]