Atletico were widely lambasted for his or her ultra-defensive overall performance on the Etihad Stadium last week, whilst Simeone's team failed to muster a unmarried shot as City claimed a deserved 1-zero victory.
"Since I started training in 2005, if I'm not incorrect I have in no way criticised a colleague of mine. Never," Simeone said in a press conference on Tuesday.
"I consider there are specific approaches of gambling to get what you need from every match however when any person criticises a colleague, I do not get worried.
"As my father used to say, 'the mouth kills the fish'. There are numerous approaches to play, I choose one, however you need to admire your colleagues. Always, constantly, always."
City's dominance within the first leg did not translate into a powerful lead, with most effective Kevin de Bruyne's late strike stopping Atletico from returning to Madrid with a smooth sheet.
Atletico may be hoping to disappointed the chances in front in their very own fanatics at the Wanda Metropolitano and attain their first Champions League semi in view that 2017.
"What we had been able to get from the first leg with that end result is wish," Simeone said.
"We're no longer going to stray too some distance from we do fine. Hopefully we are able to integrate higher, have quicker transitions, counter-attacks, and our key players can have wonderful nights. From there it is going to be approximately moments. Anything can take place."
