If Karl Jóhann Stefánsson is going to be in Stjarnan Gardabaer U19 lineup, it will be confirmed on Sofascore one hour before the match starts.

If Karl Jóhann Stefánsson plays you will also be able to follow his live Sofascore rating, statistics and heatmap. Karl Jóhann Stefánsson football player profile displays all matches and competitions with statistics for all the matches Karl Jóhann Stefánsson played in. Most important stats for each competition, including average Sofascore rating, matches played, goals, assists, cards and other relevant data are also displayed.