Mauricio Pochettino confirmed after training on Friday that the striker would return to action at the Emirates.
has been sidelined for six weeks after picking up an ankle injury against Sunderland.
Mauricio reported: "Harry will be in the squad, he’s available. It’s all going well. It’s very good to have him back. In the last few seasons, he’s been very important for us and it’s always important to have your main striker available."