 He scored his first goal for City in a 1–0 win over Derby County on 15 August 2007 at the City of Manchester Stadium; the first home league goal City had scored since the new year.Johnson spent the end of 2007 and early 2008 out of the team with an abdominal injury during which time he would have a double-hernia operation.He returned to action on 29 February 2008, playing the full 90 minutes in City's goal-less home draw with Wigan.