Ten Hag told Dutch media he found it "unacceptable" that Ronaldo had left before the final whistle of last Sunday's preseason friendly with Rayo Vallecano.
But the manager said today: "Now I have to point, there were many players who left but the spotlight is on Cristiano, that is not right, so do your research and make out many players left, that was what was said.
"There were a lot of players.
"I'm really happy, I told you before, we have a top striker, really happy he's here with the squad and we stick to the plan."
United kickoff their season this weekend against Brighton.
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