Mourino says the former Barcelona midfielder should find himself a new club in stunning blast.
"We saw Denis as that banner who could pick up after Iago Aspas and Hugo Mallo. The club is not going to make any decision contrary to the club itself. We have set conditions to play for Celta, including Denis," he said.
"Denis has two problems, I recommend that he do a season so that it happens to him like Rafinha, who signed an impressive contract because he knows that with that representative nothing is going to change.
"The future of Denis Suárez is in Denis, not in Celta. He will be the one who decides whether he wants to be at Celta."
Denis has a contract until 2023.
Mourino continued, "I don't know, he can go the way we set. We are not going to negotiate and give that representative a hard time.
"We contemplated an exit, looking at Denis's face, we told him that the most appropriate thing is for him to present an offer and leave. If it is not this season, it will be the next. I cannot guarantee anything, that's why I recommend that you have a great season."
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