Speaking on Sky Sports on Sunday, Roy Keane said: "We know that Manchester United are not great at defending set-pieces.
"It's a good delivery [for Richarlison's goal], Man United actually had a warning a few minutes earlier,
"There are plenty of bodies there [in the box] and when you're that near to the goal any sort of touch [is a threat].
"I'd be looking at my goalkeeper. It's an inswinger, Tottenham deserved it by playing their way back into the game.
"I don't like where Andre Onana standing. He's standing on his line. I'd like my goalkeeper to come and take control of the six-yard box."
Onana drew more criticism after the Spurs game on Sunday, staying rooted on his line as Tottenham scored an equaliser early in the second half.
The goalkeeper will now be leaving the club for up to a month as he joins the Cameroon squad ahead of their first Africa Cup of Nations game this week.
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