Thanks to his passionate play and high professionalism, he has become a fan favourite – to the point that when Olympiakos had a streak of bad games, Mellberg was always the only player who was spared from criticism – and one of the most highly respected players in Greece.
Datorită stilului său profesionalist, el a devenit un mare favorit al fanilor- mai ales atunci când Olympiakos a avut multe jocuri proaste, Mellberg a fost mereu singurul jucător căruia nu i s-au adresat critici - și unul dintre cei mai respectați fotbaliști din Grecia.