After Porto chairman Jorge Nuno Pinto da Costa quarrelled with his agent José Veiga, the player refused to part with the latter and left, joining Lisbon side Benfica and going on to net eight official goals over two seasons.

Fehér had just come on as a substitute and assisted another player just off the bench, Fernando Aguiar, for the match's only goal, but received a yellow card in injury time and suddenly bent forward, seemingly in pain; he then fell backwards to the ground.

Among others, Porto director of football Reinaldo Teles and manager José Mourinho paid their respects at the Estádio da Luz, where the player's body remained before his burial in his native Hungary.

Benfica's delegation, which included president Luís Filipe Vieira, coach Giovanni Trapattoni and the entire first-team squad, travelled to Hungary, presenting Fehér's parents with the 2004–05 league championship medal, in respect for the player and his time with the club.

[6] On 9 October 2009, the day before their 2010 FIFA World Cup qualifier against Portugal in Lisbon, the Hungary national team squad laid a wreath next to a metal bust of Fehér at Benfica's homeground, in tribute to his memory.