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Djurgården is the Swedish club where Isaksson secured two Allsvenskan titles. The Allsvenskan is the top-tier professional football league in Sweden. Isaksson, a former goalkeeper, played for Djurgården from 1999 to 2001 and again from 2016 to 2018. During his time with the club, he contributed to their Allsvenskan victories in 2002 and 2003.