And now the forward - the most expensive teenager in history - is keen to keep his spot in the squad and hopes to do so by scoring goals for his new club.
The Red Devils striker said: "We won, that is the most important thing. I came on, I could not be more happy.
"It is a great honour. It was a bit like the Champions League, there was a lot of intensity. I gave what was necessary. And we won.
GETTY
Anthony Martial thrilled to make France debut
"Of course it is different from with the U21s and the youth teams.
"I am very happy to be here, I hope for regular call-ups by playing well for my club."
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