Maguire scored in England's World Cup qualifying win against Albania on Friday night.
He was naturally delighted to get on the scoresheet amid his disappointing spell, but his celebration attracted fury from ITV pundit Keane, who delivered a scathing assessment at half-time.
"He puts his hands to his ears like he's shutting his critics up... it's embarrassing," Keane blasted.
"He's been a disgrace last few months for Manchester United, he scores and he thinks he's going to shut his critics up, it's embarrassing."
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