Back in 1977, Liverpool beat Borussia Monchengladbach at the Stadio Olimpico and then overcame Roma in the 1984 final.
"UEFA have told us there is no risk of a ban as there is not reason for one", Butragueno said.
The prolific Portuguese tormented Bayern with five goals last season.
And in 2016 questions were asked over Brazilian legend Roberto Carlos when he was tasked with picking out teams assigned in pot four of the Champions League group stages.
Record 12-time European champions Real threw away a 3-0 first-leg lead at the Santiago Bernabeu, only for Ronaldo's penalty in the eighth minute of injury-time to send them through in dramatic fashion as Juve great Gianluigi Buffon was sent off.
Ramos had to watch Madrid's 3-1 defeat to Juventus from the stands due to yellow-card accumulation, having received his third booking of the competition in the opening leg in Turin. And after what the Laziali have had to put up with this week, putting a dent in their bitter rivals' qualification hopes would be a pretty sweet way to end it.
Back to back winners #Real Madrid continue their title defense as they face #Bayern Munich in the semi-finals of the 2017-18 #Champions League. The exchange is there, but there it's not really about anything concrete. "He called me the other night, I wrote him a message but I did not talk to him today because I was busy in meetings".
"Everybody knows how big Mo's impact on our season has been", Liverpool manager Juergen Klopp said in comments published on the club's website.
But while he holds good memories of Rome and speaks fondly of his old team, he says Liverpool were the club his friends in Italy wanted to avoid in the final four.
After Liverpool dispatched City, they'll be flying high, but Roma proved they belong with their trouncing of Barcelona. This will be its first Champions League semi-final match since 2008, when it lost to Chelsea.
Serie A side Roma produced a remarkable comeback to knock out Barcelona.
The UEFA Champions League semi-final draw took place this afternoon.
Madrid also relish playing at the Allianz Arena, and while the draw could have been easier, they will still be favorites to travel to Ukraine for the final.
The final is scheduled for May 26 in Kiev, where Klitschko is now the mayor.