The 67-year-old specialist says the decision is in his hands and he wants to keep the 28-year-old Chile international at the club for the forthcoming season.
“Yes, the board supports me to make the decisions on a technical front,” Wenger replied when asked if he had 100 per cent backing from the board to decide who comes and who leaves.
“I can tell you is that he is focused, and my decision is clear: he will stay and he will respect that. it is as simple as that.
“Every negotiation has to be a little bit secret. The transparency of society is very pushy but we have to resist a little bit, as much as we can. I think he will be here this season, and if we can do it for more seasons we will do it as well.”