Hegerfors began his career as an employee at
Göteborgs Handels- och Sjöfartstidning from 1964 to 1966 and at
Kvällsposten in 1966. He worked at
Sveriges Radio in Gothenburg from 1967 to 1969 and at the sports section of
Sveriges Television (SVT) in
Stockholm from 1969. He was awarded the
Stora Journalistpriset in 1992. Hegerfors had a promising career in football and had a contract offer from a French football club,
OGC Nice. But after a serious knee injury he could not play any more and moved on to a career in journalism. In 2000, Hegerfors appeared in
Markoolio's music video for his song "Mera mål", where he acted as himself. He has also presented entertainment shows for SVT, like . He won the Swedish television
Kristallens Honour Award in 2008. Hegerfors made several memorable commentaries in ice hockey and football matches. He was SVT's correspondent at the
Heysel Stadium disaster in 1985 when 39 people died and 376 were injured during a
UEFA Champions League final between
Liverpool and
Juventus. He also commentated on
the basketball final between the
Soviet Union and the
United States at the
1972 Olympic Games which the Soviet Union won 50–49 after a disputed refereeing decision in the last seconds. Hegerfors was also known for making entertaining jokes as a commentator. He retired in 2011. Between 1993 and 1996, Hegerfors was the television presenter for the SVT show
Det kommer mera, along with
Martin Timell. Hegerfors also published one book, entitled
Ralf: en gör så gôtt en kan! ("Ralf: he does his very best"). ==Personal life==