Career
A product of the youth system at Malmö FF, Berntsson has also played for Herfølge BK, Falkenbergs FF and GIF Sundsvall. After rejecting a new contract with GIF Sundsvall, Berntsson impressed enough whilst on trial at Kilmarnock to be offered a two-and-a-half year deal in January 2011. In January 2012 Berntsson signed a 2+1 year deal with Swedish Supperettan team Hammarby.
