Neymar had replaced midfielder Fernandinho at halftime with the score at 0-0.
Boy, that's Neymar at his best.
Tite wasn't getting carried away, though.
Another substitute, Roberto Firmino, delighted the Liverpool fans in the Anfield crowd by adding the second in stoppage-time with a well-taken lob from inside the area.
"He will have to go through stages - he is going to have his ups and downs but by the third, fourth or fifth game he will be back to his level".
White House: US ‘continues to actively prepare’ for summit
Meanwhile, a team of American diplomats are holding preparatory discussions with North Korean officials at the DMZ. Plans for the high profile sit-down were scrapped by Trump last week, but talks have continued.
The press successful negated much of Brazil's play in the first half with usually marauding left-back Marcelo stuck playing long balls at times to switch the play out to Willian. "I respect Tite's opinion (in starting with Jesus) 100 per cent", Firmino said.
It was a notable afternoon also for former Liverpool striker Coutinho, who made his first appearance at Anfield since his transfer to Barcelona in January, and received a smattering of boos from some of his old club's supporters.
Until Neymar stepped onto the pitch it was Croatia which had the best opportunities in a match that seemed headed for a tiresome draw.
Brazil won the game 2-0.
Brazil face Austria in a friendly next Sunday before they begin their campaign for a sixth World Cup against Switzerland on June 17.
Tite's announcement came as no surprise, as Neymar has been training with his Brazilian team-mates in preparation for the 2018 FIFA World Cup.