"Freedom of speech", he said.
It was a tense game for both sides and it was clear that Valencia meant business despite being surrounded by Red Devils fans roaring on their team to advance and attack.
Just as previous games gone by, United saw a lot of the ball in the early stages of the first half but they were unable to threaten the Valencia goal.
'Something needs to change.
Is time running out for Mourinho?
There has been ongoing talk of a rift between Mourinho and star midfielder Paul Pogba, speculation heightened following a training-ground confrontation last week and the latter being stripped of vice-captaincy duties.
Scholes was not the only one criticising Mourinho. "He is our boss, we have to be with him and we are fighting".
"No, I have never had any problem with anyone, thank God", Valencia said.
"We have two matches against Juventus to make points".
"I'm pleased with the effort, the commitment, the improvement [after West Ham], but I'm not pleased of course with the result which is not a good result but is not a bad result". "We haven't got good results and that's why rumours arise".
Mourinho has endured a hard week, failing to win at home for the fourth match in a row, losing away to West Ham and getting knocked out of the Carabao Cup at the hands of Championship side Derby County.
Background shenanigans, disjointed displays and poor results have put Old Trafford in the eye of a storm, but Tuesday's Champions League tie offered the chance to divert some of the mounting focus.