The 21-year-old caused offence with his ill-advised posts on social media.
But while Perez is of interest to Newcastle, Benitez says the club will have to sell players before being able to bring in any more signings.
At the Premier League launch show on Wednesday 9th August, Rafa Benitez took the chance to talk about his club where BT Sport were present.
The Magpies had kept tabs former Manchester City goalkeeper Willy Caballero and Chelsea forward Tammy Abraham, but the former moved to Stamford Bridge as a free agent, while the latter opted to join Swansea City on loan.More news: Us already feeling effects of climate change
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'We missed some targets at the beginning and we are paying for that, but hopefully we can find some solutions.
"I think we will try to do our best in our the market".
"I was talking with Arsene yesterday because we had the manager's meeting and I said "Listen, we have to talk" he said 'Listen, you have some money?' I like the player but it's too soon to talk about that."When I chose to stay it's because for me it's a challenge.
"I'm working very hard with the people in the club to try to improve what we have at the moment". It has to be something you can not control. "But with his experience and know-how, he will set the team up to be very hard to beat".