Ahead of the 2008 season, Reginiussen was linked a move away from Tromsø, leading the club to declare that he’s not for sale. At the start of the 2008 season, he continued to regain his first team place for the side, as well as, facing competitions in the defence and midfield positions. But ahead of the match against Rosenberg on 26 April 2008, Reginiussen suffered a meniscus in training, which he quickly recovered. He then started the match against Rosenberg and helped them keep a clean sheet by beating them 1–0. Reginiussen then kept three clean sheets in three matches between 28 July 2008 and 6 August 2008. Since the start of the 2008 season, Reginiussen appeared in every matches until he suffered a fracture jaw after colliding with Sead Ramović and had to be substituted early, in a 0–0 draw against FK Bodø/Glimt on 11 September 2008. Following this, it was announced that he would be sidelined for the rest of the season. But Reginiussen returned to training soon after in mid–October. It wasn’t until on 18 October 2008 when he made his return to the starting line-up, and helped the side drew 4–4 draw against Molde. Throughout the 2008 season, he continued to impress the club’s defence and attack and helped them finished third place in the league. At the end of the 2008 season, where Reginiussen made twenty–seven appearances in all competitions, he was nominated for the league’s defender of the year but lost out to Morten Skjønsberg. On 14 November 2008, it was revealed that Reginiussen would be traveling to England for a trial with Blackburn Rovers and impressed the side to earn a transfer move to England. However, the move to Blackburn broke down when Paul Ince, and a transfer to Fulham, with Brede Hangeland and Erik Nevland, was discussed. It came after when it was announced that he would leaving Tromsø at the end of the 2008 season.