Wenger was asked about Lemar and Mbappe

Said Lemar is a player he likes but would not be drawn into it further, said nothing concrete yet.
Said Mbappe has the choice of any top club in europe, and that Arsenal were one of them.
On Sanchez

Asked if he still insists on not selling Alexis to a rival, "Yes, that’s the continuity from what I said. Yes, that’s what we’ll do."
On New Additions

"We play football based on movement - I believe both can integrate well into the team.
I believe they are great additions to the team. This is a good opportunity to get a first look at them."
Alexandre Lacazette will make debut on Thursday according to Wenger and will also play on Saturday