 On 24 November 2010, Moffat was selected by the Portland Timbers in the 2010 MLS Expansion Draft.On 19 March 2011, Moffat made his Timbers debut in a 3–1 loss to the Colorado Rapids in the opening match of the 2011 season.Moffat struggled to get playing time in Portland, appearing in only 4 of the 18 MLS games while he was with the Timbers.