.
Footage of the ex-QPR keeper, 40, showed him in tears following the matchwinner, hugging a friend while struggling to hold back the emotion.
Moments before, he had toppled down two rows of seats in the celebration chaos.
But Cesar seemed to be fine despite the collapse and was later shown shouting into camera and watching as the trophy was lifted.
JU LOVE TO SEE IT Despite making his name with Inter, it was Flamengo who gave the Brazilian his first chance in the game.
Born just north of Rio city centre, he joined the club academy as a boy and made his debut in 1997.
Over the next eight years he fell just short of making 300 appearances before heading off to win five Serie A titles and a Champions League at Inter.
Now retired, Cesar has revealed that he is starting a new career as an agent.
There was more good news for Flamengo on Sunday with Palmeiras dropping points to confirm them as Brazilian Serie A champions.
That marks the country's first league and Libertadores double since Santos achieved the feat in 1963 - led by legendary forward Pele.
Cesar fought back the tears after the 2-1 win Credit: Twitter His enthusiasm got the better of him as he tumbled down the stand Credit: Twitter Fans poured out onto Rio's streets after the final in Peru to welcome the side home .
A huge victory parade coloured the city red and black although the end of the festivities saw fights break out and police clash with fans .
Crowds scattered as tear gas canisters were thrown, police using batons to retaliate to being hit by stones and bottles.
Military police disperse Flamengo fans following the team's Libertadores win