Griezmann struck on Saturday in Barca's 2-2 draw at former club Real Sociedad.
Barca teammate Busquets says the players knew the day would be special for the Frenchman.
"We knew it was special for Antoine because of his past. He didn't want to celebrate, which is respectable, but for us, his work, as usual, was very good for us," enthused the midfielder.
"Every day is better and I hope he will grow within the team."
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