On 25 December 2010, Guterstam left IF Brommapojkarna after 8 years at the club and signed a two-year contract with IK Frej, who had just been promoted to Division 1 Norra.
On 25 December 2010, Guterstam departed IF Brommapojkarna after eight years at the club and signed a two-year agreement with IK Frej, who had recently been promoted to Division 1 Norra.