 In the off-season, on 22 April 2008, the Los Angeles Kings signed Möller to a three-year, entry-level contract.He began playing with the Kings in 2008–09 and scored his first career NHL goal on 20 October 2008 against Peter Budaj in a 4–3 loss to the Colorado Avalanche.Midway through his rookie season, the Kings lent him to Team Sweden for the 2009 World Junior Championships.