Mertesacker rapped his good friend for not applauding Arsenal away fans at the final whistle.
Winterburn told talkSPORT: “I like the Mertesacker incident. It shows that he understands what the football club is all about.
"You’ve got to show respect to your supporters, even after a difficult game, and I think Mertesacker was letting them know that. It’s an important incident for the supporters, to say we do care about you, no matter how well we played.”
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