https://en.wikipedia.org/wiki/Tom_PrahlTom Göran Roland Prahl (born 5 January 1949 in Smedstorp) is a Swedish former football player and manager. Coaching career. From 1990 to the 2000s, Prahl was one of Sweden's most successful managers, winning three league titles. He debuted in 1992 in Allsvenskan with Trelleborgs FF. He won the league since then with both Malmö FF and Halmstads BK. On 1 January 2006, he took over Viking from Roy Hodgson. .