Given that Neymar is only 26, it's not really far-fetched to imagine him reaching Ronaldo's 62 and Pele's 77 to set a record.
Coutinho laughed off the prank before Marcelo helped get revenge on former Barca ace Neymar.
He would not confirm, however, that the same side would start Brazil's opening World Cup game against Switzerland on 17 June. But fears of a right-back crisis seem to have been subdued after Danilo's solid performances against Croatia and Austria.
Neymar achieved the feat on his first start since suffering a broken metatarsal in February, finding the net after 63 minutes of Brazil's final pre-World Cup friendly against Austria in Vienna.
Messi, who will turn 31 during the World Cup, believes Spain, Brazil, Germany, France and Belgium are the leading contenders for the title. "We deserved the victory, we played very well", added Barcelona forward Coutinho to the Brazilian FA. It might give you a panic attack. "I always try to be prepared to play where the coach needs me and contribute in the best way possible".More news: What Really Sparked Trump's Outrage Over Trudeau's Statement?
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The Barca man laughed off the birthday treatment, in keeping with the high spirits of the Brazilian camp as they head into the World Cup which has seen them go undefeated in their last 11 games.
"You have to trust, you dream", he told reporters after moving joint third on Brazil's all-time scoring chart, level with Romario on 55.
And Brazil, as a team, looks ready as well. "Dreaming is not forbidden".
Brazil coach Tite defends decision to play Neymar for 84-minutes in 3-0 win over Austria ahead of Russian Federation 2018 Fifa World Cup.
Without providing details of the injury, Tite said Fred's situation was "improving" but didn't hint whether the midfielder could be back for the team's World Cup opener.