Neymar, a striker for Brazil, has expressed concern over not being able to participate in the 2022 World Cup.
Neymar sustained an ankle injury against Serbia in the opening game.
The five-time champions advanced to the Round of 16, thus the 30-year-old missed the remainder of the group stages.
But on Monday night, he returned as the Selecao defeated South Korea 4-1 to go to the quarterfinals.
Neymar also scored, moving him one goal shy of Pele’s 77-goal international record with a penalty.
“I had an extremely terrible night after getting hurt.
After the match, Neymar said, “I was contemplating a million different things and worried I might not be able to participate in this World Cup again, but I had the support of all my colleagues, my family, and I tried to find strength where I could not find it.”