The timing could not have been more exquisitely terrible. With Brazil's World Cup squad announcement scheduled for Monday, Neymar spent Sunday afternoon in a volcanic confrontation with match officials after Santos claimed he was incorrectly substituted during their 3-0 defeat to Coritiba. The forward, visibly incandescent, had to be restrained by teammates as he raged at the fourth official—footage that will now be playing on loop in the offices of Brazil's coaching staff.

The incident itself remains murky. Santos maintain that a communication breakdown led to Neymar being called off when another player was intended, though the club has yet to provide a coherent explanation of how such an error could occur. What is not murky is the image: Neymar, 34, screaming at officials, jabbing fingers, requiring physical intervention to leave the technical area.

The eternal question

For Brazilian football, Neymar has always been a cost-benefit calculation that never quite resolves. The talent is undeniable—on his day, he remains capable of moments that justify any amount of accommodation. But "his day" has become an increasingly rare occurrence, interrupted by injuries, controversies, and the general sense that managing Neymar requires a full-time diplomatic corps.

His return to Santos earlier this year was framed as a homecoming, a chance to rebuild his fitness and form ahead of what may be his final World Cup. The results have been mixed. Santos sit mid-table in the Brasileirão, and Neymar's performances have oscillated between flashes of brilliance and extended periods of anonymity.

The selection dilemma

Brazil's coaching staff now face an unenviable decision. Leave Neymar home, and you abandon a player who has scored 79 international goals and possesses genuine match-winning ability. Include him, and you import a circus that has a habit of overshadowing the football itself.

The 3-0 scoreline against Coritiba barely matters. What matters is that Neymar, given every opportunity to demonstrate his readiness for the world's biggest stage, instead demonstrated his capacity for self-destruction. The substitution may have been an error. The reaction was entirely his own.

Our take

Neymar will make the squad. He always does. Brazil's football federation has never been able to resist the combination of his talent and his commercial value, and nothing about Sunday's tantrum will change that calculus. But the episode serves as a useful reminder of what Brazil is signing up for: a player who can win you a match or lose you a news cycle, often in the same afternoon. The World Cup is still months away. Neymar has already made himself the story.